Python 16进制转换成10进制代码

"""
皮蛋编程(https://www.pidancode.com)
创建日期：2022/4/24
功能描述：Python 16进制转换成10进制代码
"""


def __getDecDigit(digit):
    digits = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
              'A', 'B', 'C', 'D', 'E', 'F']
    for x in range(len(digits)):
        if digit == digits[x]:
            return x


def hexToDec(hexNum):
    decNum = 0
    power = 0
    for digit in range(len(hexNum), 0, -1):
        decNum = decNum + 16 ** power * __getDecDigit(hexNum[digit - 1])
        power += 1
    print(str(decNum))


hexToDec("A5")

165