It's not simple to create a tuple with one element, if we try to create a tuple with parenthesis or without parenthesis, tuple will not be created.

創(chuàng)建具有一個(gè)元素的元組并不簡單，如果我們嘗試創(chuàng)建帶有括號或不帶括號的元組，則不會(huì)創(chuàng)建元組。

Consider the below example,

考慮下面的示例，

tuple1 = ("Hello") print("type of tuple1: ", type(tuple1))tuple2 = "Hello" print("type of tuple2: ", type(tuple2))

Output

輸出量

type of tuple1: <class 'str'> type of tuple2: <class 'str'>

See the output, the type of tuple1 and tuple2 is str.

看到輸出， tuple1和tuple2的類型為str 。

Then, how to create a tuple with one element?

然后， 如何用一個(gè)元素創(chuàng)建一個(gè)元組？

It's little tricky to create a tuple with one element, we need to use a trailing comma after the element that represents that it is a tuple.

創(chuàng)建具有一個(gè)元素的元組有點(diǎn)麻煩， 我們需要在表示它是元組的元素后使用尾隨逗號 。

Consider the below example,

考慮下面的示例，

tuple1 = ("Hello",) print("type of tuple1: ", type(tuple1))tuple2 = "Hello", print("type of tuple2: ", type(tuple2))tuple3 = (100,) print("type of tuple3: ", type(tuple3))tuple4 = 100, print("type of tuple4: ", type(tuple4))

Output

輸出量

type of tuple1: <class 'tuple'> type of tuple2: <class 'tuple'> type of tuple3: <class 'tuple'> type of tuple4: <class 'tuple'>

Now, see the output, the type of variables is tuple. Hence, we can create one element tuple by using a trailing comma after the element and it works with and without parenthesis.

現(xiàn)在，查看輸出，變量的類型為tuple 。 因此，我們可以通過在元素后使用尾部逗號來創(chuàng)建一個(gè)元素元組，并且該元素可以在帶或不帶括號的情況下使用。

翻譯自: https://www.includehelp.com/python/creating-a-tuple-with-one-element.aspx

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