Calculate range of Decimal with precision and scale

calculate_decimal_range.py

from typing import Decimal, Tuple

def calculate_decimal_range(precision: int, scale: int) -> Tuple[Decimal, Decimal]:
    """
        This method calculates the range of Decimal with given precision and scale.
    :return: (min_value, max_value)
    """
    precision, scale = Decimal(precision), Decimal(scale)
    max_value = 10**(precision-scale) - 10**-scale
    return -max_value, max_value

# Input: 
#  precision=10
#  scale=5
# Output: 
#  (Decimal('-99999.99999'), Decimal('99999.99999'))