可以用兩個執行緒來做這個事情，一個執行緒用來發網路包，另一個執行緒用來接收使用者輸入，然後用兩個全域性變數控制狀態。

作者：二山的小館er
連結：https://www.zhihu.com/question/366563329/answer/2099631519
來源：知乎
著作權歸作者所有。商業轉載請聯絡作者獲得授權，非商業轉載請註明出處。

import threading
import time

run = True  # global variable to control whether send packet or not
stop = False  # global variable to control quit the program


def handle_user_input():
    
 
global run, stop
    while True:
        flag = input("Input the command?(run/pause/quit)")
        if flag.casefold() == 'run':
            run = True
        elif flag.casefold() == 'pause':
            run = False
        elif flag.casefold() == 'quit':
            stop = True
            break
        else
 
:
            print("Invalid command.")


def fake_send_packet():
    global run, stop
    i = 0
    while True:
        if run:
            print(f"Send a packet {i}...")
            i += 1
        if stop:
            break
        time.sleep(1)


if __name__ == "__main__":
    th1 = threading.Thread(target=handle_user_input)
    th2 
 
= threading.Thread(target=fake_send_packet)
    th1.start()
    th2.start()

輸出：