Execute remote command via SSH

sshexec.py

#!/usr/bin/env python3

import argparse
import paramiko

def try_connect(host, user, password) -> bool:
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    try:
        ssh.connect(host, username=user, password=password)
    except:
        return False
    return True

def execute(host, user, password, cmd):
    ssh = paramiko.SSHClient()
    ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
    ssh.connect(host, username=user, password=password)
    stdin,stdout,stderr=ssh.exec_command(cmd)
    opt = stdout.readlines()
    opt = "".join(opt)
    print(opt)
    
def execute2(user_host, password, cmd):
    try:
        user, host = user_host.split('@')
    except ValueError:
        print('Invalid user@host:', user_host)
        return
    execute(host, user, password, cmd)
    
if __name__ == "__main__":
    parser = argparse.ArgumentParser(description='Execute remote command via SSH.')
    parser.add_argument('user_host', type=str, help='user@host')
    parser.add_argument('password', type=str, help='password')
    parser.add_argument('cmd', type=str, help='the command to be executed')
    args = parser.parse_args()
    user, host = args.user_host.split('@')
    execute2(args.user_host, args.password, args.cmd)