What is the use of the `format` argument here

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1

Hello, I am asking what is the use of format argument here in the cpython code github

2

It is a string describing how to interpret further arguments that follow (if any allowed). See: Parsing arguments and building values — Python 3.12.1 documentation

Also, this part of the extensions tutorial as an introduction: 1. Extending Python with C or C++ — Python 3.12.1 documentation

3

Thanks you, I will look at this ressource