関連ワード:  what is the os module in python    what is the os module in python used for    what is the os library in python    what is the os package in python    what is the work of os module in python    what is import os module in python    what is the os module in python used for in file handling    what is the primary purpose of os module in python    what is os path module in python    what is the use of os library in python