input: def calculate_square_root(n: float) -> float:
      """ Calculate the square root of a given positive number.
      >>> calculate_square_root(100)
      10.0
      """
  
      # Enforce the positive number constraint
      if n < 0:
          raise ValueError("Input must be a positive number.")
  
      # Calculate the square root using Python's math module
      return math.sqrt(n)
output:     
      import math
  
      # Enforce the positive number constraint
      if n < 0:
          raise ValueError("Input must be a positive number.")
  
      # Calculate the square root using Python's math module
      return math.sqrt(n)
  