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Commit0cc8df4

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Translate faq/design.html#why-does-python-use-methods-for-some-functionality-e-g-list-index-but-functions-for-other-e-g-len-list
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‎faq/design.po‎

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@@ -303,10 +303,12 @@ msgid ""
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"Why does Python use methods for some functionality (e.g. list.index()) but "
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"functions for other (e.g. len(list))?"
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msgstr""
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"為何 Python 對於一些功能實作使用方法（像是 list.index()），另一些使用函式（像"
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"是 len(list)）？"
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#:../../faq/design.rst:171
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msgid"As Guido said:"
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msgstr""
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msgstr"如吉多所說："
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#:../../faq/design.rst:173
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msgid""
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"problem. Compare the easy with which we rewrite a formula like x*(a+b) into "
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"x*a + x*b to the clumsiness of doing the same thing using a raw OO notation."
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msgstr""
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"（一） 對一些運算來說，前綴寫法看起來會比後綴寫法好 ── 前綴（和中綴！）運算在"
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"數學上有更久遠的傳統，這些符號在視覺上幫助數學家們更容易思考問題。想想把 x*(a"
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"+b) 這種式子展開成 x*a+x*b 的簡單，再比較一下古老的圈圈符號記法的笨拙就知道"
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"了。"
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#:../../faq/design.rst:180
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msgid""
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"mapping has a get() or keys() method, or something that isn't a file has a "
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"write() method."
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msgstr""
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"（二） 當我看到一段程式碼寫著 len(x)，我*知道*他要找某個東西的長度。這告訴了"
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"我兩件事：結果是一個整數、參數是某種容器。相對地，當我看到 x.len()，我必須先"
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"知道 x 是某種容器，並實作了一個介面或是繼承了一個有標準 len() 的類別。遇到一"
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"個沒有實作映射 (mapping) 的類別卻有 get() 或 keys() 方法，或是不是檔案但卻有 "
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"write() 方法時，我們偶爾會覺得困惑。"
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#:../../faq/design.rst:189
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msgid"https://mail.python.org/pipermail/python-3000/2006-November/004643.html"

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