client and server modified

client.py

 import socket
 s= socket.socket()
 host=socket.gethostname()
-port= 1345
+port= 13345
 s.connect((host , port))
 msg = input('geben sie was ein: ')
 bytes= s.send(msg.encode('utf-8'))

server.py

 import socket
 s = socket.socket()
 host = socket.gethostname()
-port = 1345
+port = 13345
 s.bind((host , port))
 s.listen()
 while True:
     (connection, addr )= s.accept()
     print('verbindung von', addr)
     msg= 'Danke für das vorbeischauen!'
-    serge= s.recv(1024)
-    message = serge.decode('utf-8')
+    bytes= connection.recv(1024)
+    message = bytes.decode('utf-8')
     sendmessage= message.upper()
     connection.send(sendmessage.encode('utf-8'))
     connection.close()