100+ Python Programming Coding Practices and Projects for Beginners and Self-Taught Programmers

Build confidence, boost your coding skills, and unlock your potential as a self-taught Python programmer with this comprehensive hands-on project guide. Whether you're just getting started or want to improve how you write and structure your code, this eBook gives you the tools to think and build like a professional.

What’s Inside?
This resource is packed with over 100 coding challenges and practice programs, grouped by topic for easy learning and gradual mastery. Each project focuses on real-world logic, clean structure, and Python best practices — ideal for self-paced learning.

MODULE 1: Fundamental Concepts & Math Operations

• Detect positive or negative numbers
• Identify even or odd integers
• Find the greatest of three numbers
• Divisibility checker
• Temperature converters (Celsius ↔ Fahrenheit)
• Thermometer simulator
• Mass, density, and volume calculator
• Coordinate locator in 2D plane
• Triangle and circle existence checker
• Leap year checker

MODULE 2: Classic Algorithms & Number Games

• Solve quadratic equations
• Random number guesser
• ASCII table printer
• Multiplication tables (while & for loop)
• Base conversion (Base 2–9)
• Build a simple calculator
• Digit counter for integers
• Sum & product of digits
• Binary search on arrays
• N-series sum generator
• Even & odd digit counter
• Factorial programs (loop & recursion)
• Fibonacci sequence generators

MODULE 3: Advanced Number Logic

• Greatest Common Divisor (GCD)
• Prime number detector
• Extended quadratic solver with ranges
• Reverse numbers
• String expansion logic
• Substring replacement
• Extract integers from strings
• Sort words by length
• Longest word identifier
• Uppercase/lowercase percentage counter
• Palindrome string checker

MODULE 4: Arrays & List Manipulation

• Generate random numbers in arrays
• Find min/max array elements
• Count even & odd numbers in arrays
• Extract positive numbers
• Filter values above average
• Replace items based on conditions
• File extension checker
• Remove exclamation marks from text
• List intersections (loop and logic-based)
• Longest ordered sequence finder
• Most frequent element extractor

MODULE 5: Sorting & Searching

• Bubble sort algorithm
• Selection sort algorithm
• Generate random matrices
• Row/column summation
• Diagonal sum of matrix
• Swap principal diagonals
• Sort columns using the first row
• Search for specific values in matrix

MODULE 6: Dictionaries & Data Handling

• Unicode generator
• Product pricing lookup
• Create list of dictionaries
• Delete dictionary entries
• Function return examples with arguments
• Arithmetic mean calculator
• Fibonacci via function & recursion
• Least Common Multiple (LCM)
• Reverse word sequence
• Binary number search
• List ring shift (cyclic rotation)

MODULE 7: File Handling & Text Processing

• Read text files (read, readline, readlines)
• Write to files
• Convert file contents to dictionaries
• Count lines, words, and characters
• Handle string errors
• Detect non-existent values
• Show error for missing files
• Handle division by zero
• Index out-of-range error
• Raise and catch exceptions

MODULE 8: Object-Oriented Programming

• Use classes and constructors
• Fill lists with natural & random numbers
• Group dictionaries into lists
• Flatten 2D lists (unpack matrices)
• File-to-character data parsing

MODULE 9: Applied Math & Geometry Projects

• Orbital speed calculator
• Sum of random 3-digit numbers
• Filter even numbers from list
• Calculate area & perimeter of right triangles
• Total surface area of a cylinder

MODULE 10: Bonus Full Project — Build a Digital Calculator

• A complete, fully working electronic calculator program using structured Python logic and clean UI!