#encoding:utf-8 import math #向上取整 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 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 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 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:

本文详细介绍了Python中常用的数学运算函数,包括向上取整、向下取整及四舍五入等操作,并通过实例展示了这些函数的具体应用及返回结果的数据类型。

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