server

.idea/vcs.xml

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

demo_server.py

+import socket
+
+s = socket.socket()
+host = socket.gethostname()
+port = 12346
+s.bind((host, port))
+print("Vor listen")
+s.listen()
+
+while True:
+    (connection, addr) = s.accept()
+    print("Verbindung von ", addr)
+    msg = "Danke für das Vorbeischauen!"
+    connection.send(msg.encode('utf-8'))
+    connection.close()