input: from typing import List
  
  
  def calculate_square_root(numbers: List[int]) -> List[float]:
      """ Calculate the square root of each number in the list of positive integers.
      >>> calculate_square_root([4, 25, 100])
      [2.0, 5.0, 10.0]
      >>> calculate_square_root([1])
      [1.0]
      """
output:     return [float(num ** 0.5) for num in numbers]