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Arvelt@Arvelt
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pythonで文字列ゼロ埋め、文字列からある文字をカウントする

Python
More than 5 years have passed since last update.

正規表現モジュールと合わせるとカスタム置換とかできる

ゼロ埋め

'1'.zfill(3)
#'001'

文字カウント

'hello world'.count('l')
#3
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Arvelt
arvelt@Arvelt
http://arvelt.github.io/
http://arvelt.hatenablog.com/
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