Control Flow
Understand how to make your programs make decisions and repeat actions using conditionals and loops.
11 lessons
What Is Control Flow?
Understand how programs decide which code to run and in what order through control flow.
What Is Conditional Logic?
Learn how programs make decisions by evaluating conditions that are either true or false.
Using If and Else
Write code that makes decisions using if statements, else clauses, and elif chains.
Combining Conditions
Build complex decision logic by combining multiple conditions with and, or, and not operators.
What Is Boolean Logic?
Understand booleans as a fundamental data type and how True/False values power all program decisions.
What Is a Loop?
Learn why loops exist and how they let you repeat code without writing it multiple times.
For Loops
Iterate over lists and ranges using for loops to process each item in a sequence.
While Loops
Repeat code as long as a condition remains true using while loops.
Nested Loops and Conditions
Learn to combine loops inside loops and mix conditions with iteration for powerful data processing patterns.
Debugging Control Flow Problems
Learn to identify and fix common bugs in loops and conditions using print statements and careful tracing.
Using AI to Check Your Logic
Learn how to prompt AI assistants to review your conditional logic and catch edge cases you might miss.
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