input: 
  from typing import Any
  
  def create_rectangle_class() -> Any:
      """
      Complete the task by creating a Python class called Rectangle to represent a two-dimensional rectangle with a length and width.
      The class should have a method to calculate and return the area of the rectangle.
      >>> rect = Rectangle(5, 10)
      >>> rect.area()
      50
      """
  
output:     
      class Rectangle:
          def __init__(self, length: float, width: float):
              self.length = length
              self.width = width
          
          def area(self) -> float:
              return self.length * self.width
  