Python script for installing running VNC and SSH

#!/usr/bin/env python3
import os
import subprocess
import sys
import time

#  Python3 console  app to both  run , install vnc server and ssh server , start , stop and  exit
#  futher introduced  was capture  the output and print  to screen I think you will love the way this done
#  MD Harrington date 25-05-2023   time 10:35 AM  this took some  time to work this all out
#  For the benefit of some  friends on face book and instagram
#  This is how its done

class Menu:

    def __init__(self):
        os.system("clear")
        self.choices = {
            "1": self.check_install_x11vnc_server,
            "2": self.check_install_ssh_server,
            "3": self.start_vnc_server,
            "4": self.stop_vnc_server,
            "0": self.exit_menu
        }

    def typewriter_print(self, text, color=""):
        for char in text:
            sys.stdout.write("{}{}".format(color, char))
            sys.stdout.flush()
            time.sleep(0.02)
        print("\033[0m")

    def display_menu(self):
        self.typewriter_print("\033[1;36m------ Menu ------")
        self.typewriter_print("1. \033[1;35mCheck and install X11VNC server")
        self.typewriter_print("2. \033[1;34mCheck and install SSH server")
        self.typewriter_print("3. \033[1;33mStart VNC server")
        self.typewriter_print("4. \033[1;32mStop VNC server")
        self.typewriter_print("0. \033[1;31mExit")

    def check_install_x11vnc_server(self):
        self.typewriter_print("\033[1;33mChecking X11VNC server...\033[0m")
        result = subprocess.run(["which", "x11vnc"],  stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
        if result.returncode != 0:
            self.typewriter_print("\033[1;31mX11VNC server not found. Installing...\033[0m")
            os.system("sudo apt install -y x11vnc")
        else:
            self.typewriter_print("\033[1;32mX11VNC server is installed.\033[0m")

    def check_install_ssh_server(self):
        self.typewriter_print("\033[1;33mChecking SSH server...\033[0m")
        ##########################################################################################################
        # Alteration  made to the line below 15:39hrs 23-05-2023  removed 3rd argument "--quiet" Now detects sshd#
        ##########################################################################################################
        result = subprocess.run(["systemctl", "is-active", "ssh"],  stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True)
        if result.returncode != 0:
            self.typewriter_print("\033[1;31mSSH server not found. Installing and starting...\033[0m")
            os.system("sudo apt install -y openssh-server")
            os.system("sudo systemctl enable ssh")
            os.system("sudo systemctl start ssh")
        else:
            self.typewriter_print("\033[1;32mSSH server is installed and running.\033[0m")

    def start_vnc_server(self):
        self.typewriter_print("\033[1;33mStarting VNC server...\033[0m")
        os.system("x11vnc -auth guess -forever -rfbauth $HOME/.vnc/passwd -rfbport 5900 -shared")

    def stop_vnc_server(self):
        self.typewriter_print("\033[1;33mStopping VNC server...\033[0m")
        os.system("x11vnc -R stop")

    def exit_menu(self):
        self.typewriter_print("\033[1;33mExiting menu...\033[0m")
        time.sleep(1)
        os.system("clear")
        sys.exit()

    def run(self):
        while True:
            self.display_menu()
            choice = input("Enter your choice: ")

            action = self.choices.get(choice)
            if action:
                action()
                time.sleep(1)
                input("\nPress Enter to continue...")
                os.system("clear")

    def main():
        menu = Menu()

        menu.run()

if __name__ == "__main__":
    Menu.main()