input: Write a python function to create an instance of MyClass and call its method my_method.
  assert isinstance(create_and_call_myclass(5, 10), MyClass)
  assert create_and_call_myclass(5, 10).attr1 == 5
  assert create_and_call_myclass(5, 10).attr2 == 10
output: def create_and_call_myclass(attr1, attr2):
      class MyClass:
          def __init__(self, attr1, attr2):
              self.attr1 = attr1
              self.attr2 = attr2
          
          def my_method(self):
              return self.attr1, self.attr2
  
      instance = MyClass(attr1, attr2)
      instance.my_method()
      return instance