• March 10, 2025

How to Comment out Multiple Lines in Python?

You can comment out multiple lines in Python using the following methods:

1. Using # for Each Line (Recommended)

pythonCopyEdit# This is a comment
# This is another comment
# This is yet another comment

2. Using Triple Quotes (""" or ''')

Although not technically a comment, Python treats triple-quoted strings as multi-line comments if they are not assigned to a variable.

pythonCopyEdit"""
This is a multi-line comment.
Python will ignore this unless assigned to a variable.
"""

or

pythonCopyEdit'''
Another multi-line comment example.
'''

3. Using an IDE Shortcut

  • VS Code, PyCharm, Jupyter Notebook → Select lines and press Ctrl + / (Windows/Linux) or Cmd + / (Mac).
  • IDLE → No built-in shortcut, must use # manually.

For large sections, use # for better readability and performance. 🚀

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