function.py

"""
This function is used in call_async_cython.py

Commands to compile the function.py into function.so (Ubuntu):
cython3 -3 --embed -X always_allow_keywords=true -o function.c function.py
gcc -shared -o function.so -fPIC -I /usr/include/python3.12 function.c
"""


def my_c_function(x):
    return x + 7