【Python】zfill()方法
字符串左侧补“0”
语法:
1 |
str.zfill(width) |
例:随机出100道题,100以内加减乘除
1 2 3 4 5 |
import random for i in range(100): print(str(random.randint(0,99)).zfill(2), random.choice(['+','-','*','/']), str(random.randint(0,99)).zfill(2),'=') |
随机数模块:http://www.xxf-home.net/archives/545