init

client.py

+import socket
+s = socket.socket()
+host = socket.gethostname()
+port = 22445
+
+
+s.connect((host, port))
+message = input('eingabe:  ')
+#bytes = s.sendmsg(message.encode('utf-8'))
+test = s.send(message.encode('utf-8'))
+msg = s.recv(1024)
+print (msg.decode('utf-8'))
+s.close()

server.py

+import socket
+
+s = socket.socket()
+host = socket.gethostname()
+port = 22445
+s.bind((host, port))
+s.listen()
+
+
+while True:
+    (connection, addr) = s.accept()
+    print('verbindung von ', addr)
+    bytes = connection.recv(1024)
+    msg = bytes.decode('utf-8')
+    msg = msg.upper()
+    connection.send(msg.encode('utf-8'))
+    connection.close()