Multithreaded Chat Client

# Chat Client #
import socket, threading

def incoming(server):
    while True:
        data = server.recv(2000).decode('utf-8')
        print("Server: " + data)
def main():
    host = input("Server Host: ")
    port = int(input("Server Port: "))
    server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

    server.connect((host,port))
    thread_list = []
    data = 'abc'
    incomingThread = threading.Thread(target=incoming,args=(server,))
    thread_list.append(incomingThread)
    incomingThread.start()

    while data != 'exit!':
        data = input("\n$: ")
        server.send(data.encode('utf-8'))
main()