Python for Loop

Loop Satellite

For Loops

Python's `for` loop iterates over any iterable—lists, dicts, generators, files. Master the helpers that make it shine.

Use enumerate/zipHandle loop else

Basics

for user in users:
    process(user)

• Works with any iterable (lists, tuples, generators, files, dicts).
• Use tuple unpacking inside loops for readability.

Helpers

for index, value in enumerate(items, start=1):
    ...

for name, score in zip(names, scores):
    ...

Iterating dictionaries

for key, value in mapping.items():
    ...

Next up in your learning path

While loops

Handle sentinel-driven iteration.

Companion

Loop control

Use break/continue effectively.

Practice

List comprehensions

Transform loops into expressions.

Tip