input: from typing import Union
  
  def area_circle(radius) -> Union[int, float]:
      """ Computes the area of a circle with the given radius.
      >>> area_circle(5)
      78.54
      >>> area_circle(10)
      314.16
      >>> area_circle(1.5)
      7.07
      """
      return round(math.pi * (radius ** 2), 2)
output:     import math