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@miorgash

Python で flatten

Posted at

環境

関数等は特に使わないのでなんでもよい．

import sys
print(sys.version)
# 3.6.4 |Anaconda custom (64-bit)| (default, Jan 16 2018, 18:10:19) 
# [GCC 7.2.0]

Code

nested = [[1, 2, 3],
          [4, 5, 6],
          [7, 8, 9]]

flatten = []
for inner in nested:
    flatten += inner

flatten
# [1, 2, 3, 4, 5, 6, 7, 8, 9]
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