What is the correct way to comment a single line in Python?

Question

BlackTom AI · Accepted Answer

The question asks about the proper way to denote a single-line comment in Python. 
Option 1: '// This is a comment' uses two forward slashes, which is the syntax for comments in languages like C++, Java, and JavaScript, not Python. In Python, this would just be treated as a syntax error if used in code without being removed, so this is incorrect for Python.
Option 2: '/* This is a comment */' uses C-style block comments, which Python does not support. Python will interpret the characters as part of the code structure unless they happen to be in a string, so this is not valid Python commenting syntax.
Option 3: '# This is a comment' employs the hash symbol, which is the standard way to start a single-line comment in Python. The interpreter ignores everything on the line following '#', making this the correct convention for single-line comments in Python.
Option 4: '' uses HTML-style comment syntax. Python does not recognize this as a comment indicator; it would be treated as code or produce a syntax error unless inside a string literal. Therefore, this is not a valid Python single-line comment.
In summary, the only option that aligns with Python's commenting conventions is the one that starts with a '#', since Python uses the hash symbol to denote comments and ignore the remainder of the line.

What is the correct way to comment a single line in Python?单项选择题

类似问题

Which of the following is a comment in Python?

What does the following code do?

What does the following line do in Python?

Comments in Python begin with the # character.

Which symbol is used for comments in Python?

What symbol is used to begin a comment in a Python program?

In Python, comments begin with the # symbol and are ignored during execution.

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单