PyControl FlowBeginnerLive Python12 min

For Loops

Repeat an action for every item in a sequence.

Explanation cell

A for loop repeats code for every item in a sequence. It is useful for processing lists, files and data.

iterationlistsrepeated actions

Quick tip

The indented lines inside a loop run once for each item.

Common mistake

Make sure the line inside the loop is indented.

Code cell

Starter code · Ctrl+Enter runs · Ctrl+Shift+Enter tests

Python runtime loads on first run

Output cell

Run your code to see output.

Run your code to see output.

Test cell

Tests run against the actual Python output.

Run tests to check your code against the lesson goals.

Practice cell

Try this

Print each tool in lowercase.

Expected output

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