input: 
  from typing import Tuple
  
  def calculate_distance(point1: Tuple[int, int], point2: Tuple[int, int]) -> float:
      """
      Calculate the distance between two points on a two-dimensional plane.
      
      >>> calculate_distance((3, 4), (-9, -2))
      13.416407864998739
      """
      x1, y1 = point1
      x2, y2 = point2
      return ((x2 - x1) ** 2 + (y2 - y1) ** 2) ** 0.5
  
output:     x1, y1 = point1
      x2, y2 = point2
      return ((x2 - x1) ** 2 + (y2 - y1) ** 2) ** 0.5