General Lessons
General programming questions
What is Programming? A Beginner's Guide
Learn what programming is, how computers understand instructions, and why programming is an essential skill in today's d...
Understanding Variables and Data Types
Master the fundamentals of variables and data types - the building blocks of all programming languages and applications....
Control Structures: Making Decisions in Code
Learn how to make your programs smart with conditional statements and decision-making logic that responds to different s...
Loops: Making Programs Repeat Actions
Master the art of loops in programming. Learn how to make your programs repeat actions efficiently with for loops, while...
Functions: Organizing and Reusing Code
Learn how to organize your code with functions. Master the art of creating reusable, well-structured code that's easy to...
Data Structures: Organizing Information
Master the fundamental data structures that every programmer needs to know. Learn how to organize and work with data eff...
Algorithms and Problem Solving Strategies
Learn fundamental algorithms and problem-solving strategies. Master the art of breaking down complex problems into manag...
Debugging and Testing: Finding and Fixing Problems
Master the essential skills of debugging and testing. Learn how to find, fix, and prevent bugs in your code like a profe...
Code Organization and Best Practices
Learn essential code organization and best practices that will make you a professional programmer. Write clean, maintain...
Programming Career Paths and Your Next Steps
Explore programming career paths and plan your next steps. Discover opportunities in web development, data science, mobi...