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#!/usr/bin/env python
import sys,socket,time
def chat_server(port):
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind(('',port))
s.listen()
conn,addr = s.accept()
print(addr)
while True:
data = conn.recv(1024)
print(data.decode(),end="")
command = input()
command += "\n"
conn.send(command.encode())
time.sleep(0.5)
except KeyboardInterrupt:
s.close()
finally:
print("bye")
if __name__ == "__main__":
try:
chat_server(int(sys.argv[1]))
except IndexError:
print(f"{sys.argv[0]} demande un port en agument")
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