v2

clie2_file.py

+import socket
+
+eingabe = input("Bitte etwas eingeben: ")
+
+s = socket.socket()
+host = socket.gethostname()
+port = 12345
+s.connect((host, port))
+
+while eingabe != "STOP":
+
+    s.send(eingabe.encode('utf-8'))
+
+    eingabe = input("Bitte etwas eingeben: ")
+
+else:
+    s.close()

serv2_file.py

+import socket
+
+s = socket.socket()
+host = socket.gethostname()
+port = 12345
+s.bind((host, port))
+s.listen()
+
+while True:
+    (connection, addr) = s.accept()
+
+    msg = connection.recv(1024)
+    msgReturn = msg.decode('utf-8').upper()
+    connection.send(msgReturn.encode('utf-8'))
+    connection.close()