Reference library

Lists & loops

Iterate, transform, and combine sequences with readable loop patterns.

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Find Most Active Contributors in a Repository with Python

Filter recent commits by date and count the most active contributors using Counter and datetime.

collections datetime counter

Python

from collections import Counter
from datetime import datetime, timedelta

# Simulated commit data
commits = [
    {"author": "Alice", "timestamp": datetime.now() - timedelta(days=1)},
    {"author": "Bob", "timestamp": datetime.now() - timedelta(days=2)},
    {"author": "Alice", "timestamp": datetime.now() - timedelta…

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Lists & loops — Python code examples

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This page collects lists & loops snippets — short, copy-ready Python you can paste into our free online IDE and run without installing anything. Each sample includes a plain-English explanation and the full source code.

Samples vs tutorials and challenges

Samples are quick reference — one concept per page. For step-by-step teaching, use our Python tutorials. To test yourself, try quizzes or coding challenges. Clean up style with the Python formatter.

Free online Python IDE Write and run Python in your browser — no install. Free Python code formatter Format with autopep8 — side-by-side PEP 8 cleanup. Python code samples Copy-ready snippets to study and run in the IDE.

Find Most Active Contributors in a Repository with Python

Browse by section

Lists & loops — Python code examples

What you will find here

Samples vs tutorials and challenges

Related coding tools