pinnwand fix

app/app.py

@@ -1,4 +1,4 @@
-from flask import Flask, request
+from flask import Flask, request, redirect
 
 app = Flask(__name__)
 
@@ -15,5 +15,17 @@ def frage():
     return '<form method="post">Was ist 3 + 5? ' \
            '<input name="antwort"><button>OK</button></form>'
 
+@app.route("/pinnwand", methods=["GET", "POST"])
+def pinnwand():
+    if request.method == "POST":
+        eintraege.append(request.form["nachricht"])
+        return redirect("/app/pinnwand")
+    liste = ""
+    for e in eintraege:
+        liste = liste + "<li>" + e + "</li>"
+    return '<h1>Pinnwand</h1>' \
+           '<form method="post"><input name="nachricht">' \
+           '<button>Senden</button></form><ul>' + liste + '</ul>'
+
 if __name__ == "__main__":
     app.run(host="0.0.0.0", port=9008)   # 90 + Raumnummer (Wir: 08)