Detailed explanation of pop function and append function in python

This article mainly introduces the detailed explanation of the pop function and append function in python. It has certain reference value. Now I share it with you. Friends in need can refer to it

pop() function

1. Description

pop() function is used to remove an element from the list (default is the last element ), and returns the value of the element.

Syntax

##pop() method syntax:

list.pop(obj=list[-1])

2. Parameter

3. Return value

4. Example

#!/usr/bin/python aList = [123, 'xyz', 'zara', 'abc']; print "A List : ", aList.pop(); print "B List : ", aList.pop(2);

The output result of the above example is as follows:

A List : abc B List : zara

##append() function

The Python list append() method is used to append (add) the incoming object to an existing list.

The following is the syntax of the append() method-

list.append(obj) Python

obj - This is the object to be added to the list.

This method does not return any value, but updates the existing list.

The following example shows the usage of the append() method.

#!/usr/bin/python3 list1 = ['C++', 'Java', 'Python'] list1.append('C#') print ("updated list : ", list1) Python

When running the above program, it produces the following result-

updated list : ['C++', 'Java', 'Python', 'C#']

Gif Demonstrate the execution process of Python while statement

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