input: 
  from typing import List
  
  def calculate_square_roots(numbers: List[int]) -> List[float]:
      """ Calculate the square root of each number in the list.
      >>> calculate_square_roots([16, 25, 36])
      [4.0, 5.0, 6.0]
      >>> calculate_square_roots([1, 4, 9, 16])
      [1.0, 2.0, 3.0, 4.0]
      """
  
output:     return [float(num ** 0.5) for num in numbers]