python 除法

#向上取整
import math
print(math.ceil(float(230)/10))
print(int((231+10-1)/10))

#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))