python 示例

列出copy()方法 (List copy() Method)

copy() method is used to copy a list, the method is called with this list (current/original list) and returns a list of the same elements.

copy()方法用于復制列表，該方法與此列表一起調用(當前/原始列表)，并返回相同元素的列表。

Syntax:

句法：

list_name.copy()

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 'list'>, it returns a list containing the all elements.

此方法的返回類型為<class'list'> ，它返回包含所有元素的列表。

Example 1:

范例1：

# Python List copy() Method with Example# declaring the list cars = ["Porsche", "Audi", "Lexus"]# copying the list x = cars.copy()# printing the lists print("cars: ", cars) print("x: ", x)

Output

輸出量

cars: ['Porsche', 'Audi', 'Lexus'] x: ['Porsche', 'Audi', 'Lexus']

Example 2:

范例2：

# Python List copy() Method with Example# declaring the lists x = ["ABC", "XYZ", "PQR"] y = ["PQR", "MNO", "YXZ"] z = ["123", "456", "789"]# printing the copies of the lists print("copy of x: ", x.copy()) print("copy of y: ", y.copy()) print("copy of z: ", z.copy())

Output

輸出量

copy of x: ['ABC', 'XYZ', 'PQR'] copy of y: ['PQR', 'MNO', 'YXZ'] copy of z: ['123', '456', '789']

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

python 示例

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