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python3 向上取整ceil

admin 1月 28, 2021 0

import math


print("math.ceil---向上取整")  
print("math.ceil(2.3) => ", math.ceil(2.3))  # 3
print("math.ceil(2.6) => ", math.ceil(2.6))  # 3

#向下取整
print("nmath.floor---向下取整")
print("math.floor(2.3) => ", math.floor(2.3)) # 2
print("math.floor(2.6) => ", math.floor(2.6)) # 2

#四舍五入
print("nround---四舍五入")
print("round(2.3) => ", round(2.3)) # 2
print("round(2.6) => ", round(2.6)) # 3

math.ceil---向上取整
math.ceil(2.3) =>  3
math.ceil(2.6) =>  3

math.floor---向下取整
math.floor(2.3) =>  2
math.floor(2.6) =>  2

round---四舍五入
round(2.3) =>  2
round(2.6) =>  3