#encoding:utf-8 import math #向上取整 http://www.manongjc.com/article/1335.html print math.ceil--- print math.ceil(2.3) => , math.ceil(2.3) print math.ceil(2.6) => , math.ceil(2.6) #向下取整 http://www.manongjc.com/article/1336.html print \nmath.floor--- print math.floor(2.3) => , math.floor(2.3) print math.floor(2.6) => , math.floor(2.6) #四舍五入 http://www.manongjc.com/article/1337.html print \nround--- print round(2.3) => , round(2.3) print round(2.6) => , round(2.6) #这三个的返回结果都是浮点型 http://www.manongjc.com/article/1338.html print \n\nnote:every result is type of float print math.ceil(2) => , math.ceil(2) print math.floor(2) => , math.floor(2) print round(2) => , round(2)
运行结果：