input: def extract_decimal_part(number: float) -> float:
      """ Provided with a positive float, decompose it into its integer portion (the greatest integer smaller than the given float) and the fractional part (the remaining value, always less than 1).
  
      Return the fractional component of the input float.
      >>> extract_decimal_part(3.5)
      0.5
      """
output:     integer_part = int(number)
      fractional_part = number - integer_part
      return fractional_part