input: from typing import List
  
  def calculate_square_root(numbers: List[float]) -> List[float]:
      """ Calculate the square root of each positive number in the given list.
      >>> calculate_square_root([100.0, 121.0, -4.0, 64.0])
      [10.0, 11.0, 8.0]
      """
output:     result = []
      for num in numbers:
          if num > 0:
              result.append(num ** 0.5)
      return result