Python List Functions | del(), remove(), pop() and clear() functions in Python

 

Python List/Array Functions (Methods)

Python has a set of built-in methods that you can use on lists/arrays.

Method	Description
append()	Adds an element at the end of the list
clear()	Removes all the elements from the list
copy()	Returns a copy of the list
count()	Returns the number of elements with the specified value
extend()	Add the elements of a list (or any iterable), to the end of the current list
index()	Returns the index of the first element with the specified value
insert()	Adds an element at the specified position
pop()	Removes the element at the specified position
remove()	Removes the first item with the specified value
reverse()	Reverses the order of the list
sort()	Sorts the list
Del()	Delete the element at the specified position

 Note: Python does not have built-in support for Arrays, but Python Lists can be used instead.

Del()

Definition and Usage

The del() method work on index number its removes the element at the specified position.

Syntax

Del list(pos)

Parameter Values

Optional. A number specifying the position of the element you want to remove, default value is -1, which returns the last item

Example

Remove the second element of the fruit list:

fruits = ['apple', 'banana', 'cherry']

del fruits(1)

print (fruits)

pop()

Definition and Usage

The pop() method also work on index number its removes the element at the specified position.

Syntax

list.pop(pos)

Parameter Values

Optional. A number specifying the position of the element you want to remove, default value is -1, which returns the last item

Example

Remove the second element of the fruit list:

fruits = ['apple', 'banana', 'cherry']

fruits.pop(1)

print (fruits)

Example

Return the removed element:

fruits = ['apple', 'banana', 'cherry']

x = fruits.pop(1)

Note: The pop() method returns removed value.

Example

Return the removed element:

fruits = ['apple', 'banana', 'cherry']

print (fruits.pop(1))

print (fruits)

remove()

Definition and Usage

The remove() method removes the first occurrence of the element with the specified value.

Syntax

list.remove(elmnt)

Parameter Values

Required. Any type (string, number, list etc.) The element you want to remove

Example

Remove the "banana" element of the fruit list:

fruits = ['apple', 'banana', 'cherry']

fruits.remove("banana")

clear()

Definition and Usage

The clear() method removes all the elements from a list.

Syntax

list.clear()

Parameter Values

No parameters

Example

Remove all elements from the fruits list:

fruits = ['apple', 'banana', 'cherry', 'orange']

fruits.clear()

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