import socket

udp_server = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
udp_server.bind(("0.0.0.0", 20001))


data, client_address = udp_server.recvfrom(1024)
returned_message = data.decode()
print(returned_message)

message = "Hello how are you"
data = message.encode()
udp_server.sendto(data, ("127,0,0,1", 20001))


#data, client_address = udp_server.recvfrom(1024)
#returned_message = data.decode()
#print(returned_message)