As we all know, Operating System (OS) is a program that acts as an interface between computer hardware and user. Python has a standard utility module called "os module" to achieve a process of communicating directly to the operating system of your device. Installation The os module is one of the standard libraries in Python 3, so it doesn't need to be installed manually or externally. It comes along with the installation of Python. So it is mandatory to import this os module before using it in your program as it is not a built-in function. Importing module The os module can be used in a program by importing it initially. It is mandatory to import the os module as it is not a built-in function to use it without any importation. To import the os module, use the command as import os Built-in functions inside os module There are a bunch of built-in functions present inside the os module where one can invoke each function after the module gets imported inside a program. To k...