How to install pip requests using cross platform python script.

install_requests.py

import subprocess
import sys

def install_package(package):
    subprocess.check_call([sys.executable, "-m", "pip", "install", package])

def check_and_install_requests():
    try:
        import requests
        print("The 'requests' library is already installed.")
    except ImportError:
        print("The 'requests' library is not installed. Installing now...")
        install_package("requests")
        print("The 'requests' library has been installed.")

check_and_install_requests()