Module 3

for loops

Repeating an action for each item.

Do this for each one

A for loop repeats a block of code for each item in a sequence. The most common use is looping through the characters of a string.

Python

for letter in "ABC":
    print(letter)

→ A B C

The variable letter takes each value in the string, one at a time. The indented block runs once for each value.

A for loop

Describe the task onceComputer repeats it every time

Runs the block once for each item.

Your task

Loop through text