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                # Python 解包元組 – 太多值無法解包 > 原文: [https://howtodoinjava.com/python/unpack-variable-length-tuple/](https://howtodoinjava.com/python/unpack-variable-length-tuple/) Python 示例,用于解包元組或序列或可迭代,以便該元組可能長于 N 個元素,從而導致“**值太多,無法解包**”異常。 ## 1.解包任意長度的元組 **Python“星表達式”可用于解包任意長度的元組。** ```py >>> employee = ('Lokesh', 'email@example.com', '111-222-333', '444-555-666') >>> name, email, *phone_numbers = employee >>> name 'Lokesh' >>> email 'email@example.com' >>> phone_numbers ['111-222-333', '444-555-666'] ``` ```py >>> *elements, end = [1,2,3,4,5,6,7,8] >>> elements [1,2,3,4,5,6,7] >>> end 8 ``` ## 2.解包元組并丟棄不需要的值 有時,您可能想拆開值并將其丟棄。 解包時,您不僅可以指定裸露的`*`,還可以使用通用的一次性變量名,例如“`_`”或忽略。 ```py >>> record = ('Lokesh', 37, 72.45, (1, 1, 1981)) >>> name, *_, (*_, year) = record #Only read name and year >>> name 'Lokesh' >>> year 1981 ``` 學習愉快!
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