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Comments are used to add a note, remark or explanation in the source code. They are not executed by the interpreter. 

  • Comments can be used to explain Python code.
  • Comments can be used to make the code more readable.
  • Comments can be used to prevent execution when testing code.

A comment starts with # (hash sign) . Everything following the # till the end of that line is treated as a comment.


  • #This is a comment
  • #print(“Hello world”)

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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.