Python examples.

Print a simple greeting message to the console.

Display three different messages on separate lines using print.

Store a name in a variable and print it.

Create variables of different types and display them with type information.

Use single-line and multi-line comments to explain code behavior.

Demonstrate newline tab and quote escape characters in strings.

Get user input and display it back with a greeting.

Accept numeric input convert to integer and perform simple calculation.

Demonstrate how variables can be updated and combined in output.

Mini-project that collects user data and formats a profile card with types.

Demonstrates addition, subtraction, multiplication, division, and modulus operators.

Shows how comparison operators evaluate to boolean values.

Illustrates and, or, and not operators with boolean expressions.

Shows shorthand operators for arithmetic operations combined with assignment.

Demonstrates bitwise AND, OR, XOR, NOT, and shift operations.

Uses the walrus operator to assign and use values in expressions.

Shows how operator precedence affects expression evaluation order.

Converts temperatures using arithmetic and comparison operators.

Simulates file permissions using bitwise operators and comparison.

Mini-project combining arithmetic, comparison, logical, walrus, and augmented operators.

Demonstrates addition, subtraction, multiplication, division, and modulus operators.

Shows how comparison operators evaluate to boolean values.

Illustrates and, or, and not operators with boolean expressions.

Shows shorthand operators for arithmetic operations combined with assignment.

Demonstrates bitwise AND, OR, XOR, NOT, and shift operations.

Uses the walrus operator to assign and use values in expressions.

Shows how operator precedence affects expression evaluation order.

Converts temperatures using arithmetic and comparison operators.

Simulates file permissions using bitwise operators and comparison.

Mini-project combining arithmetic, comparison, logical, walrus, and augmented operators.

Access individual characters in a string using positive and negative indices.

Extract substrings using slice notation with start, stop, and step parameters.

Format strings with variables using f-string syntax for clean output.

Use the format method to insert values into string templates dynamically.

Transform string case using upper, lower, title, and capitalize methods.

Break strings into lists with split and combine lists into strings with join.

Modify strings by replacing substrings and removing whitespace from ends.

Compare regular string output with repr to see escape sequences clearly.

Chain multiple string methods to clean and format user input text.

Build a formatted report using slicing, f-strings, methods, and string manipulation.

Access individual characters in a string using positive and negative indices.

Extract substrings using slice notation with start, stop, and step parameters.

Format strings with variables using f-string syntax for clean output.

Use the format method to insert values into string templates dynamically.

Transform string case using upper, lower, title, and capitalize methods.

Break strings into lists with split and combine lists into strings with join.

Modify strings by replacing substrings and removing whitespace from ends.

Compare regular string output with repr to see escape sequences clearly.

Chain multiple string methods to clean and format user input text.

Build a formatted report using slicing, f-strings, methods, and string manipulation.

Create a simple list of numbers and print it.

Access list elements using positive and negative indices.

Extract sublists using slice notation with start, stop, and step.

Add single elements with append and multiple elements with extend.

Insert elements at specific positions and remove by value.

Sort lists in ascending order and reverse their order.

Create new lists using concise comprehension syntax with conditions.

Create immutable tuples and unpack values into multiple variables.

Work with lists containing other lists and iterate through them.

Mini-project managing student grades using lists with sorting and statistics.

Create a simple dictionary and access values using keys.

Use the get method to safely access dictionary values without errors.

Use setdefault to add keys with default values if they don't exist.

Loop through dictionary items to print keys and values.

Create a new dictionary using dictionary comprehension from a list.

Create sets and demonstrate uniqueness and basic operations.

Use union and intersection operations to combine and compare sets.

Find elements unique to each set using difference operations.

Count occurrences of items in a list using dictionary and setdefault.

Analyze student grades using dictionaries and sets for comprehensive statistics.

Create a simple dictionary and access values using keys.

Use the get method to safely access dictionary values without errors.

Use setdefault to add keys with default values if they don't exist.

Loop through dictionary items to print keys and values.

Create a new dictionary using dictionary comprehension from a list.

Create sets and demonstrate uniqueness and basic operations.

Use union and intersection operations to combine and compare sets.

Find elements unique to each set using difference operations.

Count occurrences of items in a list using dictionary and setdefault.

Analyze student grades using dictionaries and sets for comprehensive statistics.

Checks if a number is positive using a basic if statement.

Determines if a number is even or odd using if-else.

Assigns letter grades using if-elif-else based on numeric scores.

Prints numbers from zero to four using a for loop with range.

Counts down from five to one using a while loop.

Finds first number divisible by seven using break in a loop.

Prints only odd numbers from one to ten using continue.

Searches for a target value and uses else clause if not found.

Routes commands using match statement to handle different user inputs.

Mini-project combining while, if-elif-else, break, and match for interactive game simulation.

Define and call a basic function that prints a greeting message.

Create a function that accepts parameters and returns a calculated result.

Use default parameter values to make function arguments optional.

Handle arbitrary numbers of arguments using args and kwargs syntax.

Create anonymous functions using lambda for simple operations.

Implement a simple decorator to modify function behavior.

Calculate factorial using recursive function calls.

Add type annotations to function parameters and return values.

Generate Fibonacci numbers using recursion with a memoization decorator.

Build a task manager using functions with type hints decorators and lambdas.

Create a basic Dog class with name attribute and a bark method.

A Person class with name and age that has a greeting method.

Implement the __str__ dunder method to customize object string representation.

Use __eq__ and __lt__ to compare Product objects by price.

Create a Vehicle base class and a Car subclass extending it.

Use @property to create computed attributes with getter and setter methods.

Demonstrate multiple inheritance by combining two parent class behaviors.

Use dataclasses to automatically generate init and repr methods.

Combine inheritance and properties in a Rectangle and Square class hierarchy.

Build a bank account system with inheritance, properties, and transaction tracking.

Create a basic Dog class with name attribute and a bark method.

A Person class with name and age that has a greeting method.

Implement the __str__ dunder method to customize object string representation.

Use __eq__ and __lt__ to compare Product objects by price.

Create a Vehicle base class and a Car subclass extending it.

Use @property to create computed attributes with getter and setter methods.

Demonstrate multiple inheritance by combining two parent class behaviors.

Use dataclasses to automatically generate init and repr methods.

Combine inheritance and properties in a Rectangle and Square class hierarchy.

Build a bank account system with inheritance, properties, and transaction tracking.

Create a text file and write a simple message to it.

Read and display contents from a text file line by line.

Append additional text to an existing file and read it.

Serialize Python dictionary to JSON file and read it back.

Write structured data to a CSV file using csv module.

Read CSV file and display rows with column indexing.

Check file existence and get file properties using os.path module.

Read command line arguments using sys.argv and display them.

Use pathlib for modern file path manipulation and reading.

Mini-project managing contacts with JSON persistence and CSV export features.

Performs basic arithmetic operations on two numbers entered by the user.

Checks if a given string reads the same forwards and backwards.

Prints numbers from 1 to 100 with Fizz Buzz and FizzBuzz replacements.

Counts the frequency of each word in a given sentence.

A basic command-line to-do list manager with add and view commands.

Reads and displays configuration settings from a JSON string.

Simulates rolling multiple dice and displays individual results and total.

Generates a random secure password with letters numbers and special characters.

A two-player tic-tac-toe game with win detection and draw handling.

Scans text finds duplicates calculates stats and exports a JSON report.

Performs basic arithmetic operations on two numbers entered by the user.

Checks if a given string reads the same forwards and backwards.

Prints numbers from 1 to 100 with Fizz Buzz and FizzBuzz replacements.

Counts the frequency of each word in a given sentence.

A basic command-line to-do list manager with add and view commands.

Reads and displays configuration settings from a JSON string.

Simulates rolling multiple dice and displays individual results and total.

Generates a random secure password with letters numbers and special characters.

A two-player tic-tac-toe game with win detection and draw handling.

Scans text finds duplicates calculates stats and exports a JSON report.

Create a list of squares from numbers 1 to 10 using list comprehension.

Filter even numbers from a range and square them using conditional comprehension.

Create a dictionary mapping numbers to their cubes using dictionary comprehension.

Generate a set of unique word lengths from a sentence excluding short words.

Create a dictionary with indices and uppercase words using enumerate in comprehension.

Combine two lists into a dictionary using zip within a comprehension.

Flatten a nested list structure using nested list comprehension.

Transpose a matrix using nested list comprehension with zip.

Demonstrate generator expressions for memory efficient iteration over large ranges.

Process student data using multiple comprehension techniques for filtering and transformation.

Create a list of squares from numbers 1 to 10 using list comprehension.

Filter even numbers from a range and square them using conditional comprehension.

Create a dictionary mapping numbers to their cubes using dictionary comprehension.

Generate a set of unique word lengths from a sentence excluding short words.

Create a dictionary with indices and uppercase words using enumerate in comprehension.

Combine two lists into a dictionary using zip within a comprehension.

Flatten a nested list structure using nested list comprehension.

Transpose a matrix using nested list comprehension with zip.

Demonstrate generator expressions for memory efficient iteration over large ranges.

Process student data using multiple comprehension techniques for filtering and transformation.

Demonstrate iter and next functions with a simple list.

Create a countdown iterator using __iter__ and __next__ methods.

Use yield to create a generator that produces squares.

Create an infinite Fibonacci generator with itertools islice.

Demonstrate count for numbering and cycle for repeating patterns.

Use yield from to delegate to another generator.

Chain multiple generators to filter and transform data efficiently.

Combine multiple iterables into one continuous sequence with chain.

Group consecutive elements by a key function using groupby.

Parse log entries using generators and itertools for memory efficiency.

A function returns another function that remembers an outer variable.

A closure that increments a counter using the nonlocal keyword.

A decorator that prints before and after calling the decorated function.

A decorator that accepts arguments and wraps functions with parameters.

A decorator using functools wraps to preserve function metadata.

A decorator that measures and prints the execution time of a function.

A decorator that caches function results to avoid redundant calculations.

A decorator that retries a function on failure up to a maximum attempts.

A decorator that modifies a class by adding a method to it.

Stacked decorators for timing memoization and retry on a simulated API call.

A function returns another function that remembers an outer variable.

A closure that increments a counter using the nonlocal keyword.

A decorator that prints before and after calling the decorated function.

A decorator that accepts arguments and wraps functions with parameters.

A decorator using functools wraps to preserve function metadata.

A decorator that measures and prints the execution time of a function.

A decorator that caches function results to avoid redundant calculations.

A decorator that retries a function on failure up to a maximum attempts.

A decorator that modifies a class by adding a method to it.

Stacked decorators for timing memoization and retry on a simulated API call.

Demonstrate simple exception handling with division by zero.

Handle different exceptions with multiple except blocks for various errors.

Show all parts of exception handling including else and finally blocks.

Demonstrate how to raise exceptions manually with custom messages.

Create and use custom exception classes for domain specific errors.

Use exception chaining to preserve original error context with from keyword.

Use assertions for debugging and validating assumptions during development.

Compare Easier to Ask Forgiveness than Permission versus Look Before You Leap.

Use the warnings module to issue and control warning messages.

Mini-project combining custom exceptions, EAFP, finally, and exception chaining for robust file processing.

Calculate factorial of a number using basic recursion.

Generate nth Fibonacci number using recursive function calls.

Recursively sum all digits in a positive integer.

Reverse a string using recursive slicing and concatenation.

Search for element in sorted array using divide and conquer.

Solve the classic Tower of Hanoi puzzle recursively.

Recursively flatten a list containing nested sublists.

Perform inorder traversal on a binary tree recursively.

Generate all permutations of a string using backtracking recursion.

Count unique paths in grid using memoization to optimize recursive calls.

Count the number of vowels in a given string.

Display the frequency of each character in a string.

Convert a sentence to title case format.

Find the longest word in a sentence.

Check if two strings are anagrams of each other.

Compress a string using run-length encoding.

Check if a string is a palindrome ignoring spaces and case.

Find all starting positions of a substring in text.

Check if a sentence contains all letters of the alphabet.

Analyze text for anagrams compression and character statistics.

Count the number of vowels in a given string.

Display the frequency of each character in a string.

Convert a sentence to title case format.

Find the longest word in a sentence.

Check if two strings are anagrams of each other.

Compress a string using run-length encoding.

Check if a string is a palindrome ignoring spaces and case.

Find all starting positions of a substring in text.

Check if a sentence contains all letters of the alphabet.

Analyze text for anagrams compression and character statistics.

Find the index of a target element in a list using linear search.

Search for a target in a sorted list using binary search algorithm.

Sort a list of numbers using the bubble sort algorithm.

Sort a list by repeatedly selecting the minimum element and placing it first.

Sort elements by inserting each into its correct position in sorted portion.

Remove duplicate elements from a list while preserving original order.

Rotate list elements to the right by a specified number of positions.

Find the second largest element in a list of numbers.

Merge two sorted lists into one sorted list efficiently.

Mini-project combining search, sort, and list manipulation for student grades.

Create a dictionary from key-value pairs and print all items.

Group words by first letter using setdefault to avoid key checks.

Use defaultdict to count occurrences of items without initialization.

Use Counter to find most common elements and their frequencies.

Merge multiple dictionaries using different methods and show results.

Reverse dictionary mapping from keys to values into values to keys.

Access and print values from a nested dictionary structure safely.

Group employee records by department using defaultdict of lists.

Use OrderedDict to maintain and manipulate insertion order of items.

Analyze sales data using Counter defaultdict and nested dictionaries together.

Unpack a tuple into separate variables and print them individually.

Swap values between variables using tuple unpacking without temporary variable.

Create and use named tuples to make tuple data more readable.

Demonstrate set creation, adding elements, and automatic duplicate removal.

Perform union, intersection, difference, and symmetric difference on sets.

Check subset and superset relationships between sets using comparison operators.

Create immutable frozensets that can be used as dictionary keys.

Remove duplicates from a list while maintaining original element order.

Compare membership testing speed between lists and sets with timing.

Analyze student course enrollment using sets, tuples, named tuples, and set algebra.

Unpack a tuple into separate variables and print them individually.

Swap values between variables using tuple unpacking without temporary variable.

Create and use named tuples to make tuple data more readable.

Demonstrate set creation, adding elements, and automatic duplicate removal.

Perform union, intersection, difference, and symmetric difference on sets.

Check subset and superset relationships between sets using comparison operators.

Create immutable frozensets that can be used as dictionary keys.

Remove duplicates from a list while maintaining original element order.

Compare membership testing speed between lists and sets with timing.

Analyze student course enrollment using sets, tuples, named tuples, and set algebra.

Display the current date and time using datetime now method.

Format a datetime object into readable string using strftime formatting codes.

Convert a date string into a datetime object using strptime parsing.

Add and subtract days from dates using timedelta for date arithmetic.

Calculate a person's age in years from their birth date.

Determine what day of the week a specific date falls on.

Calculate days, hours, and minutes remaining until a future event.

Convert times between different timezones using the zoneinfo module.

Convert between datetime objects and unix timestamps for system operations.

Generate available meeting slots considering multiple timezones and business hours.

Display the current date and time using datetime now method.

Format a datetime object into readable string using strftime formatting codes.

Convert a date string into a datetime object using strptime parsing.

Add and subtract days from dates using timedelta for date arithmetic.

Calculate a person's age in years from their birth date.

Determine what day of the week a specific date falls on.

Calculate days, hours, and minutes remaining until a future event.

Convert times between different timezones using the zoneinfo module.

Convert between datetime objects and unix timestamps for system operations.

Generate available meeting slots considering multiple timezones and business hours.

Perform addition, subtraction, multiplication, division, and exponentiation with simple numbers.

Use math module for square root, ceiling, floor, and trigonometric calculations.

Demonstrate different rounding strategies including round, ceil, floor, and truncate.

Calculate greatest common divisor and least common multiple of two numbers.

Check if a number is prime using trial division method.

Generate all prime numbers up to a limit using the sieve algorithm.

Find all Armstrong numbers in a range where sum of cubed digits equals the number.

Identify perfect numbers where sum of proper divisors equals the number itself.

Work with high precision decimals and rational fractions for accurate calculations.

Mini project combining prime generation, GCD, perfect number detection, and random sampling for analysis.

Perform addition, subtraction, multiplication, division, and exponentiation with simple numbers.

Use math module for square root, ceiling, floor, and trigonometric calculations.

Demonstrate different rounding strategies including round, ceil, floor, and truncate.

Calculate greatest common divisor and least common multiple of two numbers.

Check if a number is prime using trial division method.

Generate all prime numbers up to a limit using the sieve algorithm.

Find all Armstrong numbers in a range where sum of cubed digits equals the number.

Identify perfect numbers where sum of proper divisors equals the number itself.

Work with high precision decimals and rational fractions for accurate calculations.

Mini project combining prime generation, GCD, perfect number detection, and random sampling for analysis.

Use re.search to find a word in a sentence and print if found.

Demonstrate the difference between re.search and re.match with examples.

Use re.findall to extract all numbers from a text string.

Extract specific parts of a pattern using capture groups from dates.

Use named capture groups to extract and label email components.

Replace phone numbers with a masked version using re.sub.

Split a string by multiple delimiters using re.split.

Show the difference between greedy and lazy quantifiers with HTML tags.

Compile a pattern with flags for case-insensitive matching and multiline.

Parse log entries extracting timestamp level and message with validation.

Use map to square all numbers in a list.

Use filter to extract even numbers from a list.

Use reduce from functools to sum a list of numbers.

Sort a list of strings by length using sorted and key.

Use any and all to check conditions across a list.

Use functools partial to create specialized functions from generic ones.

Use operator module for functional operations instead of lambdas.

Use zip to combine lists and star unpacking to unzip.

Use star unpacking to pass multiple arguments from sequences.

Build a data pipeline using map filter reduce sorted and operator.

Demonstrates appending new lines to an existing file without overwriting.

Reads a file line-by-line and processes each line individually.

Counts word occurrences from a text file and displays the results.

Writes structured data to CSV using DictWriter with headers.

Reads CSV with DictReader and filters rows by condition.

Writes data to JSON file then reads it back unchanged.

Uses pathlib to find and list all matching files by pattern.

Copies binary file content using read and write in binary mode.

Retrieves and displays file statistics using pathlib and os.

Merges multiple log files filters entries and exports statistics to JSON.

Demonstrates appending new lines to an existing file without overwriting.

Reads a file line-by-line and processes each line individually.

Counts word occurrences from a text file and displays the results.

Writes structured data to CSV using DictWriter with headers.

Reads CSV with DictReader and filters rows by condition.

Writes data to JSON file then reads it back unchanged.

Uses pathlib to find and list all matching files by pattern.

Copies binary file content using read and write in binary mode.

Retrieves and displays file statistics using pathlib and os.

Merges multiple log files filters entries and exports statistics to JSON.

A simple class with private attributes and public getters to demonstrate data hiding.

Demonstrates alternative constructors with classmethod and utility functions with staticmethod.

Overloads addition and comparison operators for a custom Vector class.

Uses composition to build a Car object from Engine and Wheel components.

Defines an abstract Shape class that enforces area method implementation in subclasses.

Demonstrates mixin classes that add logging and serialization capabilities to other classes.

Compares memory usage between regular class and slots-based class for lightweight objects.

Uses property decorators to validate and control access to class attributes.

Implements both str and repr methods to provide user-friendly and developer-friendly string outputs.

Mini-project combining singleton pattern abstract base class property validation and operator overloading.

Create a simple dataclass for a Person with name and age attributes.

Use default values and field() for a Product dataclass with price and stock.

Create a frozen dataclass that prevents modification after instantiation.

Use post_init to compute derived fields after dataclass initialization.

Use asdict to convert dataclass instances into dictionaries for serialization.

Use Optional and Union for flexible type hints in dataclass fields.

Define dictionary structure with TypedDict for type-safe configuration.

Use Protocol to define interfaces without explicit inheritance.

Create a generic dataclass using TypeVar for reusable container types.

Build a mini user system combining dataclasses typing frozen state and protocols.

Demonstrates different ways to import standard library modules and use their functions.

Uses __name__ to control code execution when run directly versus when imported.

Reads command-line arguments using sys.argv to perform simple arithmetic operations.

Parses named arguments using argparse to calculate rectangle area and perimeter.

Implements subcommands using argparse to encode or decode text with Caesar cipher.

Reads environment variables using os.environ with defaults for configuration settings.

Creates and imports a custom module with utility functions for string manipulation.

Explores module contents using dir and inspects object attributes dynamically.

Uses importlib to dynamically load modules by name at runtime.

Mini-project combining argparse subcommands custom modules importlib and environment variables for package management.

Implement a stack using a list with push, pop, and peek operations.

Implement a queue using collections deque with enqueue and dequeue operations.

Create a singly linked list with insert, delete, and display operations.

Implement a binary search tree with insert and search operations.

Perform BFS traversal on a binary tree using a queue.

Perform DFS traversal on a binary tree using recursion and stack.

Implement a simple hash table with basic collision handling using chaining.

Build an LRU cache using functools lru_cache decorator for memoization.

Use heapq module to implement a priority queue for task scheduling.

Build a task dependency scheduler using adjacency list, BFS, and priority queue.

Sort a list of numbers using sorted function without modifying original list.

Use sort method to modify a list in place and demonstrate reverse sorting.

Sort strings by length using key parameter with custom function.

Sort tuples by multiple criteria using tuple return in key function.

Use bisect module to find insertion points and search in sorted lists.

Implement quicksort algorithm recursively to sort a list of numbers.

Implement counting sort for non-negative integers with efficient time complexity.

Sort dictionary items by values and create new sorted dictionary.

Demonstrate that Python sort is stable by preserving original order of equal elements.

Mini-project implementing binary search in rotated sorted array with multiple test cases.

Create a 3x3 nested list and print each row.

Add two matrices element-wise and print the result.

Transpose a matrix by swapping rows and columns.

Calculate sum of main and secondary diagonals of a square matrix.

Multiply two matrices using nested loops and dot products.

Find all valid four-directional neighbors of a cell in a grid.

Traverse a matrix in spiral order from outside to inside.

Fill connected region with new value starting from given position.

Check if a matrix is a magic square with equal sums.

Simulate one generation of Conway's Game of Life on a grid.

Split a sentence into individual words and print each on a new line.

Split a paragraph into sentences using period delimiters and number them.

Remove common stop words from a sentence and display filtered words.

Convert simple markdown formatting to plain text by removing asterisks and hashes.

Replace placeholder variables in a template string with actual values.

Encode a message using Caesar cipher with a shift of three positions.

Encrypt a message using Vigenere cipher with a repeating keyword.

Encode text to base64 and then decode it back to original.

Calculate character count, word count, sentence count and average word length.

Command-line tool that finds words, replaces them, removes stop words and shows stats.

Parse a JSON string into a Python dictionary and print its value.

Convert a Python dictionary to a JSON string and print it.

Format JSON output with indentation for better readability.

Access deeply nested values in a complex JSON structure.

Check if a string is valid JSON and handle errors gracefully.

Convert nested JSON into a flat dictionary with dot-notation keys.

Load configuration from a JSON string with default fallback values.

Compare two JSON objects and report differences between them.

Parse JSON Lines format with one JSON object per line.

Validate JSON against required fields merge multiple configs and output results.

A function with a local variable that does not affect outer scope.

Using global keyword to modify a module-level variable from inside a function.

Demonstrates nonlocal keyword to modify enclosing function scope variable.

Shows how inner scopes can shadow outer variables with same name.

Illustrates the classic mutable default argument pitfall with a list.

Shows late binding in closures where loop variable is captured by reference.

Fixes late binding by capturing loop variable as default argument.

Demonstrates name mangling with double underscore to simulate private attributes.

Shows that comprehensions have their own scope and do not leak variables.

Mini-project combining global state, closures, and name mangling for configuration management.

Create and start a single thread that prints a message.

Launch multiple threads and wait for all to complete using join.

Demonstrate race condition with multiple threads incrementing shared counter.

Fix race condition using a lock to protect shared resource.

Use ThreadPoolExecutor to manage a pool of worker threads efficiently.

Use multiprocessing Pool to run CPU-bound tasks in parallel processes.

Create first async function and run it with asyncio event loop.

Run multiple async tasks concurrently using asyncio gather.

Compare blocking time sleep versus non-blocking asyncio sleep behavior.

Build producer-consumer system using asyncio queue with multiple workers.

Create and start a single thread that prints a message.

Launch multiple threads and wait for all to complete using join.

Demonstrate race condition with multiple threads incrementing shared counter.

Fix race condition using a lock to protect shared resource.

Use ThreadPoolExecutor to manage a pool of worker threads efficiently.

Use multiprocessing Pool to run CPU-bound tasks in parallel processes.

Create first async function and run it with asyncio event loop.

Run multiple async tasks concurrently using asyncio gather.

Compare blocking time sleep versus non-blocking asyncio sleep behavior.

Build producer-consumer system using asyncio queue with multiple workers.

Simple assertions to verify function outputs match expected values.

Using unittest module to structure test cases with setUp and multiple test methods.

Testing multiple input combinations using loops to avoid repetitive test code.

Embedding test cases in docstrings that doctest can verify automatically.

Measuring execution speed of different implementations using timeit module.

Setting up basic logging to track program execution with timestamps and messages.

Using different logging severity levels for various types of program events.

Writing code with clear breakpoints and introspection for debugger stepping.

Catching exceptions and printing detailed traceback information for debugging.

Mini-project combining assertions, logging, unittest, and error handling for robust validation.

Use sys.getsizeof to compare memory sizes of different data types.

Compare memory usage between list comprehension and generator expression.

Measure time difference between inefficient concatenation and join method.

Demonstrate memory reduction using slots in class definitions.

Show speedup from caching expensive recursive Fibonacci calculations.

Demonstrate string interning to save memory with identical strings.

Compare shallow and deep copy behavior with nested data structures.

Use del and gc module to explicitly manage object deletion.

Profile a sorting function to identify performance bottlenecks.

Mini-project combining generators caching and profiling for efficient data processing.

Use sys.getsizeof to compare memory sizes of different data types.

Compare memory usage between list comprehension and generator expression.

Measure time difference between inefficient concatenation and join method.

Demonstrate memory reduction using slots in class definitions.

Show speedup from caching expensive recursive Fibonacci calculations.

Demonstrate string interning to save memory with identical strings.

Compare shallow and deep copy behavior with nested data structures.

Use del and gc module to explicitly manage object deletion.

Profile a sorting function to identify performance bottlenecks.

Mini-project combining generators caching and profiling for efficient data processing.

Demonstrate truthiness of different Python values in conditionals.

Check if numbers fall within ranges using chained comparison operators.

Use ternary conditional expressions for concise value assignment.

Swap variables and unpack sequences using tuple unpacking.

Use enumerate instead of range and len for indexed iteration.

Iterate over multiple sequences simultaneously using zip.

Use dict get method with default values instead of key checking.

Use context managers for automatic resource cleanup.

Use walrus operator to assign and test values in loop conditions.

Build a task manager using enumerate zip walrus dict get and context managers.

Read a CSV file and print all rows to understand basic file reading.

Compute the average of a numeric column from CSV data.

Calculate median and mode from a list of values.

Normalize values to a zero-to-one range using min-max scaling.

Compute a three-period moving average from a time series.

Display a simple text-based histogram for value frequency distribution.

Calculate Pearson correlation coefficient between two numeric columns manually.

Group records by category and compute sum and count per group.

Find and display the top five records sorted by a numeric field.

Group sales by region, compute stats, detect outliers, and show top performers.

List all files in the current directory with their sizes in bytes.

Calculate and display the total size of all files in current directory.

Rename all txt files by adding a prefix to their names.

Find files with identical sizes in the current directory as potential duplicates.

Extract and display all TODO comments from Python files in current directory.

Read a CSV file and convert it to JSON format output.

Parse a log file and count occurrences of ERROR and WARNING messages.

Organize files into subdirectories based on their file extensions.

Count occurrences of a specific word across all text files in directory.

Mini-project combining file organization duplicate detection and backup creation with rotation.

A basic bank account with deposit and withdraw functions.

Track product quantities with add, remove, and display operations.

Multiple choice quiz that tracks score and displays results.

Store and retrieve contacts using JSON file persistence.

Log expenses by category and display total spending summary.

Create and list markdown notes with simple formatting.

Classic word guessing game with lives and win condition.

Guess the random number with hints in limited attempts.

Generate short codes for URLs and retrieve original links.

Complete database with JSON persistence, transactions, and search.