Answers for "how to create a python requirements file"

create requirements.txt python

pip list --format=freeze > requirements.txt

how to have requirement file in python for libs

pip3 freeze > requirements.txt

python create requirements.txt

import subprocess
result = subprocess.run(["pip", "freeze"], capture_output=True, text=True, shell=True)
with open('requirements.txt', 'w') as d:
    for line in result.stdout.split('\n'):
        d.write(line.split('==')[0]+'\n')  
        # ".split('==')[0]" seperates name from version