fatal error: Python.h: No such file or directory

It looks like you are trying to include the Python.h header file in a C or C++ program, but it is not found on your system. Here are a few things you can try to resolve this error:

  1. Make sure that you have the Python development headers and libraries installed on your system. On Ubuntu, you can install them using the following command:
sudo apt-get install python3-dev

Watch a course Python - The Practical Guide

  1. Check if the Python.h file is present in the expected location. On most systems, the Python.h file is located in the /usr/include/pythonX.Y directory, where X and Y are the major and minor version numbers of Python, respectively.

  2. If the Python.h file is not in the expected location, you may need to specify the correct include path when compiling your program. You can do this using the -I flag followed by the path to the Python headers, like this:

gcc -I/path/to/python/headers myprogram.c -o myprogram

  1. If you are using a Makefile to build your program, you may need to update the Makefile to include the correct include path.

  2. If you have installed Python in a non-standard location, you may need to update the environment variables to include the path to the Python headers in the search path.

I hope this helps! Let me know if you have any other questions.