import socket

# 创建一个socket：
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
# 建立连接:
s.connect(('localhost', 9996))
while True:
    try:
        # 输入需要发送的数据
        data = input("Enter the voltage data you want to send (or 'exit' to quit): ")
        if data.lower() == 'exit':
            break
        # 发送数据:
        s.send(data.encode())
    except KeyboardInterrupt:
        break
# 关闭连接
s.close()