回答編集履歴
1
addの方が良いかなと。
answer
CHANGED
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@@ -5,7 +5,7 @@
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5
5
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from functools import reduce
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6
6
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7
7
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x = ['a', 'b', 'c', 'd']
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8
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-
x_list = reduce(operator.
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8
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+
x_list = reduce(operator.add, zip(x,x))
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9
9
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print(x_list)
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10
10
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11
11
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```
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