Remove counter.py and calculator.py

calculator.py

-import unittest
-
-class Calculator:
-    def add(self, a, b):
-        return a + b
-
-class TestCalculator(unittest.TestCase):
-    def test_add(self):
-        c = Calculator()
-        self.assertEqual(c.add(2,3), 5)
-
-if __name__ == '__main__':
-    unittest.main()
\ No newline at end of file

counter.py

-#Bei Einhabe des Strings "Decker" liefert die Funktion 3
-#Bei Eingabe eines leeren Strings soll 0 ausgegeben werden
-#Bei Eingabe des Strings "Hallo" ohne E und D soll 0 ausgegeben werden
-
-from abc import ABC,abstractmethod
-import unittest
-
-class ICounter (ABC):
-    @abstractmethod
-    def count_ED(self,s):
-        pass
-
-class Counter (ICounter):
-    def count_ED(self,s):
-        s = s.upper()
-        return s.count("D")+s.count("E")
-    
-
-class TestCounter (unittest.TestCase):
-    def setUp(self):
-        self.c = Counter()
-
-    def test_count_ED_regular (self):
-        res=self.c.count_ED ("Decker")
-        self.assertEqual(res,3)
-
-    def test_count_ED_empty (self):
-        res=self.c.count_ED ("")
-        self.assertEqual(res,0)
-
-    def test_count_ED_wo (self):
-        '''Testet einen String ohne E und D'''
-        res=self.c.count_ED ("Hallo")
-        self.assertEqual(res,0)
-
-    def test_count_ED_insensitive(self):
-        '''Testet verschiedene Groß- und Kleinschreibungen'''
-        res=self.c.count_ED("Der Esel")
-        self.assertEqual(res, 4)
-
-    def test_count_ED_single_letter(self):
-        '''Testet Eingaben mit nur einem Buchstaben'''
-        res=self.c.count_ED("D")
-        self.assertEqual(res, 1)
-        res=self.c.count_ED("E")
-        self.assertEqual(res, 1)
-        res=self.c.count_ED("d")
-        self.assertEqual(res, 1)
-        res=self.c.count_ED("e")
-        self.assertEqual(res, 1)
-
-if __name__=="__main__":
-    unittest.main()