import paramiko

def main():

    sshClient = paramiko.SSHClient()

    sshClient.set_missing_host_key_policy(paramiko.AutoAddPolicy())

    sshClient.connect(hostname = "192.168.1.104", port = 22, username = "usr", password = "pwd")

    shell = sshClient.invoke_shell()

    shell.sendall("ping www.baidu.com -c 3\n")

    shell.sendall("exit\n")

    while True:

        data = shell.recv(2048).decode()

        if not data:

            print("quit now")

            break

        print(data, end = "")

    sshClient.close()

if __name__ == '__main__':

    main()