2021
03-10
03-10
Python 平方列表中每个数字的多种操作
mapmap(function,iterable)x=[1,2,3,4,5]defsquare(num):returnnum*numprint(list(map(square,x)))#output:[1,4,9,16,25]lambdalambdax:x=[1,2,3,4,5]print(list(map(lambdanum:num*num,x)))#output:[1,4,9,16,25]listcomprehensions[funtionforiteminiterable]print([num*numfornumin[1,2,3,4,5]])#output:[1,4,9,16,25]补充:Python中求数字的平方根和平方的几种方法方法一:使用内置模块>>>im...
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