Automatically create SSH keys in Linux

main.py

import subprocess
import sys
import os

# take email address as an argument
if len(sys.argv) == 4:
    name = sys.argv[1]
    email_address = sys.argv[2]
    linux_username = sys.argv[3]

    key_file_path = "/home/" + linux_username + "/.ssh/" + name

    subprocess.run(["ssh-keygen", "-t", "rsa", "-b", "4096",
                   "-C", email_address, "-f", key_file_path, "-N", ""])
    subprocess.run(["ssh-add", key_file_path])

    os.system("cat " + key_file_path +
              ".pub | xclip -selection clipboard")
    print("Key copied to clipboard!")
else:
    print("Please provide a name (one word), email address, and the Linux username.")