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python3学习手册trunc(xx/yy) 来取整,(xx/yy)可为float,结果 也是整数商 ★小数取整 ①内置函数round()为四舍五入,n.5则靠偶数取整 ROUND_HALF_EVEN round(2.5) #返回2 round(3.5) #返回4 ②math.ceil() 进一法 import math math.ceil(3.1)0 码力 | 213 页 | 3.53 MB | 1 年前3
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