# -*- coding:utf-8 -*- __author__ = 'gjw' __time__ = '2018/1/11 0011 上午 10:35' # 题目：八进制转换为十进制 n = 0 p = input('input a octal number:\n') for i in range(len(p)): n = n * 8 + ord(p[i]) - ord('0') print(n) # 内置函数 if __name__ == '__main__': n = 0 p = input("输入一个八进制数：") p = int(p, 8) print(p)