-- coding: UTF-8 --
mylist = [-1,0,1,2,3,4];
a = [i*2 for i in mylist];
print(a) #[-2, 0, 2, 4, 6, 8]
a = [i*2 for i in mylist if i>0];
print(a); #[2, 4, 6, 8]
a = [i*2 for i in mylist if i not in [-1,0,1]];
print(a); #[4, 6, 8]
2023-05-06编程教程下载本文fo,python,使用技巧
mylist = [-1,0,1,2,3,4];
a = [i*2 for i in mylist];
print(a) #[-2, 0, 2, 4, 6, 8]
a = [i*2 for i in mylist if i>0];
print(a); #[2, 4, 6, 8]
a = [i*2 for i in mylist if i not in [-1,0,1]];
print(a); #[4, 6, 8]
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