added test for simplify_easy_math_function returns False when type isn't "v" as well as corresponding functionality

src/main/py/read_math_function.py

@@ -45,3 +45,7 @@ def calculate_constant_string(string):
         return eval(string)
     except Exception as e:
         return f"Fehler bei der Berechnung: {str(e)}"
+
+def simplify_easy_math_function(type, function):
+    if type != "v":
+        return False

src/test/py/test_read_math_function.py

@@ -32,5 +32,8 @@ class read_function(unittest.TestCase):
     def test_read_math_function_return5_if_enter_c_5(self, mock_input):
         self.assertEqual(read_math_function(), 5)
 
+    def test_easy_function_wrong_type(self):
+        self.assertEqual(simplify_easy_math_function("a", "42x"), False)
+
 if __name__ == '__main__':
     unittest.main()