September 2014
Intermediate to advanced
332 pages
6h 48m
Japanese
Content preview from Python文法詳解
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102
第 4 章 シーケンスとコンテナ型
errors
−
変換不能な文字があった場合の動作を指定する文字列で、以下の値を指定します。
省略時は
'strict'
となります。
表
4-2
errors
の値
文字列
errors
の値
strict
変換不能文字があった場合、
UnicodeEncodeError
例外を送出します。
ignore
変換不能文字を無視します。
replace
変換不能文字を
'\ufffd'
（
'REPLACEMENT CHARACTER'
）に変換します。
surrogateescape
変換不能な文字を、
'\uDC80'
〜
'\uDCFF'
に変換します。
surrogatepass
utf-8
などの、サロゲートペアの使用が禁止されているエンコーディングでも、サロ
ゲートペアをエラーとせずに変換します。
4.5.4
文字列の演算子
文字列オブジェクトは、シーケンス型に属するオブジェクトで、
+
による連結や
*
による繰り返
し、比較演算子などをサポートしています。
>>> 'spam' + 'ham'
'spamham'
>>> 'spam' * 2
'spamspam'
文字列オブジェクトでは、メンバーシップ演算子
in
は、左項の文字列が、右項の文字列の一部
に含まれる場合に
True
を返します。
>>> 'ham' in 'spam_ham_egg'
True
逆に
not in
演算子は、左項の文字列が、右項の文字列に含まれない場合に
True
を返します。
>>> '
' not in 'spam_ham_egg'
True
文字列の長さは、組み込み関数 ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.