An assignment statement evaluates the expression list (remember that this can be a single expression or a comma-separated list, the latter yielding a tuple) and assigns the single resulting object to each of the target lists, from left to right.
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- 一個(gè)賦值語(yǔ)句對表達式序列求值(還記得這可以是單個(gè)表達式或者一個(gè)逗號分隔的序列，后者導出一個(gè)元組)，然后從左到右地將對象結果一一地賦給目的序列的每個(gè)對象。
