Maruyama #33
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Maruyama #33
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100本ノック第一章00.
100本ノック第1章01.です
100本ノック第1章03です。
takegue
reviewed
Nov 26, 2016
| # -*- coding: utf-8 -*- | ||
| line_number = 0 | ||
| with open('input.txt') as input_file: | ||
| for line in input_file: |
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line_numberを使うよりもenumerateを使う
for num, line in enumerate(input_file):
# hogehoge
takegue
reviewed
Nov 26, 2016
| @@ -0,0 +1,6 @@ | |||
| # -*- coding: utf-8 -*- | |||
| with open('input.txt') as input_file: | |||
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ネストが多くなるのは、できるだけ避ける
with構文の場合は, 複数の構文も下の様に書ける
with open('file1') as fp1, open('file2') as fp2:
#hogehoge
takegue
reviewed
Nov 26, 2016
| with open('col1.txt', 'w') as output1_file: | ||
| with open('col2.txt', 'w') as output2_file: | ||
| for line in iter(input_file.readlines()): | ||
| output1_file.writelines(line.split('\t')[0]+'\n') |
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3個以上になると \を使って改行しないといけないので ならcontextlib.ExitStackが個人的にはオススメ
ExitStack
|
あ、あとPR先をmaruyama branchに変えておいてくださいお願いします！ |
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100本ノック11修正及び13