Python 3.7.5 : Script install and import python packages.

This script will try to import Python packages from a list.
If these packages are not installed then they will be installed on the system.

import sys
import subprocess

if __name__ == '__main__': 
    def ModuleInstall(package_name):
        try:
            subprocess.check_call(['python3', '-m', 'pip3', 'install', package_name, "--user"])
        except:
            subprocess.check_call(['python', '-m', 'pip', 'install', package_name, "--user"])
    def ModuleLoaded(package_name):
        __import__(package_name)
        print ("Successfully imported ", package_name, '.')

    required_libs = [
    "optparse",
    "socket",
    "select",
    "threading",
    "time",
    "re",
    "ssl",
    "textwrap",
    "sys",
    "random",
    "traceback",
    "binascii",
    "struct",
    "inspect"]
    for lib_name in required_libs:
        try:
            ModuleLoaded(lib_name)
        except:
            ModuleInstall(lib_name)