argparse

Stdlib — CLIPython 3.2+Intermediate

Parse command-line arguments with type checking and help messages

Quick Info

Documentation: Official Docs
Python Version: 3.2+
Dependencies: None — Python Standard Library
Install: Included with Python

Learn by Difficulty

Easy2 examples

Examples|Playground

Intermediate2 examples

Quick Example

python

import argparse

# argparse is for CLI argument parsing
parser = argparse.ArgumentParser(description="Example CLI")
parser.add_argument("--name", default="World")
parser.add_argument("--count", type=int, default=1)

# Simulate parsing (can't use sys.argv in Pyodide)
args = parser.parse_args(["--name", "Python", "--count", "3"])
print(f"Hello, {args.name}! (x{args.count})")