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In the project folder on Python, the __pycache __




Good evening!
I can not understand where the folder __ Pycache __ appeared in the project on Python. What is this folder and how was it created?

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Answer 1, Authority 100%

During the first import of the module, the source code is compiled into byte code (How Do I Create a .pyc file? ). __ pycache __ The folder contains a cache byte code (in *. PYC files) so as not to recompile each time the same code. Initially __ pycache __ folders introduced to more convenient to support several versions of the python interpreter (PEP 3147 ).

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