BeginnerLesson 4 of 1930 min 路 hands-on
Control Flow
Part of the Python course
Up to now your programs have run straight through, top to bottom, one line after the other. That is fine for greetings, but most useful programs need to make choices ("if the password matches, let them in") and repeat work ("send a reminder to each person on the list"). The tools that let you do that are called control flow.
Open main.py in the editor. It already has a small grading program, two short loops, and a tiny FizzBuzz at the bottom. Click the play button to run it. You should see:
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Start this lessonControl FlowWhat you'll learn
- If/elif/else
- Comparison operators
- Boolean operators
- While loops
- For loops
- Break and continue
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All lessons in this course
19 lessons- 1Hello, Python20 min
- 2Numbers and Strings25 min
- 3Asking the User a Question15 min
- 4Control Flow30 min
- 5Lists and Tuples30 min
- 6Dictionaries and Sets30 min
- 7Functions30 min
- 8Comprehensions25 min
- 9Files and IO30 min
- 10Modules and Packages30 min
- 11Classes and OOP35 min
- 12Inheritance and Composition30 min
- 13Exception Handling30 min
- 14Iterators and Generators30 min
- 15Decorators30 min
- 16Context Managers25 min
- 17Concurrency: Threads and Async40 min
- 18Testing with pytest35 min
- 19Packaging and Deployment35 min
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