列出reverse()方法 (List reverse() Method)

reverse() method is used to reverse the elements of the list, the method is called with this list (list in which we have to reverse the elements) and it reverses all elements in the list.

reverse()方法用于反轉列表中的元素，該方法與此列表一起調用(我們必須在其中反轉元素的列表)，并且它反轉了列表中的所有元素。

Syntax:

句法：

list_name.reverse()

Parameter(s):

參數：

• It does not accept any parameter.

  它不接受任何參數。

Return value:

返回值：

The return type of this method is <class 'NoneType'>, it returns nothing.

此方法的返回類型為<class'NoneType'> ，它什么也不返回。

Example 1:

范例1：

# Python List reverse() Method with Example# declaring the list cars = ["BMW", "Porsche", "Audi", "Lexus", "Audi"]# printing the list print("cars before reverse operations...") print("cars: ", cars)# reversing the list elements cars.reverse()# printing the list print("cars after reverse operations...") print("cars: ", cars)

Output

輸出量

cars before reverse operations... cars: ['BMW', 'Porsche', 'Audi', 'Lexus', 'Audi'] cars after reverse operations... cars: ['Audi', 'Lexus', 'Audi', 'Porsche', 'BMW']

Example 2:

范例2：

# Python List reverse() Method with Example# declaring the list x = [100, 200, 30, 40, 50, 60, 700]# printing the list print("x before reverse operations...") print("x: ", x)# reversing list elements x.reverse();# printing the list print("x after reverse operations...") print("x: ", x)

Output

輸出量

x before reverse operations... x: [100, 200, 30, 40, 50, 60, 700] x after reverse operations... x: [700, 60, 50, 40, 30, 200, 100]

翻譯自: https://www.includehelp.com/python/list-reverse-method-with-example.aspx

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