Solution of 03

posts/admin.py

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+from django.contrib import admin
+
+# Register your models here.

posts/apps.py

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+from django.apps import AppConfig
+
+
+class PostsConfig(AppConfig):
+    name = 'posts'

posts/models.py

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+from django.db import models
+
+# Create your models here.

posts/tests.py

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+from django.test import TestCase
+
+# Create your tests here.

posts/urls.py

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+from . import views
+from django.urls import path, re_path
+
+urlpatterns = [
+    # use re_path for regex (.*) - this regex accepts anything - see https://docs.python.org/3/library/re.html for more
+    path('', views.home, name=''),
+    re_path('(?P<value>.*)/$', views.home, name='textwiedergabe')
+]

posts/views.py

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+from django.http import HttpResponse
+# Create your views here.
+
+# if no value is given use the default ''
+def home(request, value=''):
+    return HttpResponse(value)