input: from typing import List
  
  
  def calculate_circle_area(radius: float) -> float:
      """ Calculate the area of a circle given the radius.
      >>> calculate_circle_area(2.0)
      12.56
      >>> calculate_circle_area(3.5)
      38.465
      """
      Pi = 3.14
      return Pi * radius**2
output:     Pi = 3.14
      return Pi * radius**2