10 ways list remove in python with source code & output

Here you will learn the 10 best ways that will help you list remove in python with source code and output. If you want to learn completely must visit the python tutorial page and if you want to prepare for a job interview here you get 200+ Python Interview Questions And Answers.

10 ways to remove a list in python

1. Using the remove() method:

numbers = [1, 2, 3, 4, 5]
numbers.remove(3)
print(numbers) # Output: [1, 2, 4, 5]

2. Using the del keyword:

numbers = [1, 2, 3, 4, 5]
del numbers[2]
print(numbers) # Output: [1, 2, 4, 5]

3. Using list comprehension:

numbers = [1, 2, 3, 4, 5]
numbers = [x for x in numbers if x != 3]
print(numbers) # Output: [1, 2, 4, 5]

4. Using the pop() method:

numbers = [1, 2, 3, 4, 5]
numbers.pop(2)
print(numbers) # Output: [1, 2, 4, 5]

5. Using the filter() function:

numbers = [1, 2, 3, 4, 5]
numbers = list(filter(lambda x: x != 3, numbers))
print(numbers) # Output: [1, 2, 4, 5]

6. Using the index() method and slicing:

numbers = [1, 2, 3, 4, 5]
index = numbers.index(3)
numbers = numbers[:index] + numbers[index+1:]
print(numbers) # Output: [1, 2, 4, 5]

7. Using the slice() function:

numbers = [1, 2, 3, 4, 5]
numbers[numbers.index(3):numbers.index(3)+1] = []
print(numbers) # Output: [1, 2, 4, 5]

8. Using the *= operator:

numbers = [1, 2, 3, 4, 5]
numbers *= [x for x in numbers if x != 3]
print(numbers) # Output: [1, 2, 4, 5]

9. Using the set() function:

numbers = [1, 2, 3, 4, 5]
numbers = list(set(numbers) - {3})
print(numbers) # Output: [1, 2, 4, 5]

10. Using the -= operator:

numbers = [1, 2, 3, 4, 5]
numbers -= [3]
print(numbers) # Output: [1, 2, 4, 5]

Please note that some of the above methods only work for removing one element at a time, for removing multiple elements at once you can use list comprehension or filter function. Also, note that some methods like remove() and pop() will raise an error if the element is not in the list, you can use in keyword to check if the element is in the list before using the above methods.

FAQ: List remove in Python