回答編集履歴

1

addの方が良いかなと。

2021/04/01 06:01

投稿

Kenji.Noguchi
Kenji.Noguchi

スコア358

test CHANGED
@@ -12,7 +12,7 @@
12
12
 
13
13
  x = ['a', 'b', 'c', 'd']
14
14
 
15
- x_list = reduce(operator.concat, zip(x,x))
15
+ x_list = reduce(operator.add, zip(x,x))
16
16
 
17
17
  print(x_list)
18
18