input: 
  def square_root(x: int) -> float:
      """Compute the square root of a given integer.
      >>> square_root(4)
      2.0
      >>> square_root(9)
      3.0
      >>> square_root(2.5)
      TypeError: Input must be an integer
      """
      if not isinstance(x, int):
          raise TypeError('Input must be an integer')
      return x**0.5
  
output:     if x < 0:
          raise ValueError('Input must be a non-negative integer')