What is the difference between py and pyc files in Python

+1 vote

Hi, Team,

Can anyone tell me What is the difference between .py and .pyc files in Python?

Jun 23, 2020 in Python by Roshni
• 10,500 points
16,036 views

2 answers to this question.

+1 vote

Hi, @Roshni,

You can follow a few steps given below:

  • .py files contain the source code of a program. Whereas, .pyc file contains the bytecode of your program. We get bytecode after compilation of .py file (source code). .pyc files are not created for all the files that you run. It is only created for the files that you import.
  • Before executing a python program python interpreter checks for the compiled files. If the file is present, the virtual machine executes it. If not found, it checks for .py file. If found, compiles it to .pyc file and then python virtual machine executes it.
  • Having .pyc file saves you the compilation time.
answered Jun 23, 2020 by Gitika
• 65,870 points
0 votes
.py File contain the source code a program

.pyc file contain the bytecode as a program
answered Nov 21, 2021 by anonymous

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