Python For Loops

Iterate over sequences with for and range.

✍️ 3 exercises + code challenge in this lesson

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A for loop iterates over any sequence: lists, strings, tuples, dictionaries, sets and ranges.

range(5) → 0, 1, 2, 3, 4
range(2, 10, 2) → 2, 4, 6, 8 (start, stop, step)
enumerate(list) gives the index and the item.
zip(a, b) loops over two lists together.
Loops can be nested.

Key Takeaways: Python For Loops

Mastering Python For Loops helps you write clean and reliable Python code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

Python For Loops Code Example

Python

for i in range(1, 6):
    print(f"5 x {i} = {5 * i}")

names = ["Ali", "Sara", "Usman"]
scores = [88, 95, 72]
for name, score in zip(names, scores):
    print(name, "scored", score)

for row in range(1, 4):
    print("*" * row)

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Python For Loops Practice Exercises

Check what you learned in “Python For Loops”.

/ 3 solved

Fill in the blank

Loop over the numbers 0 to 4.

for i in (5):

✓ Correct! Not quite. Try again.

Multiple choice

What does range(2, 10, 2) produce?

2, 4, 6, 8 2, 4, 6, 8, 10 0, 2, 4, 6, 8 2, 10

✓ Correct! Not quite. Try again.

Code challenge

Print the 3 times table from 3 x 1 to 3 x 3 in the form "3 x 1 = 3".

Write the code in the live editor. Your answer is checked automatically.

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Python For Loops

💡 Key Takeaways: Python For Loops

Python For Loops Code Example

Python For Loops Practice Exercises

Key Takeaways: Python For Loops