Using the remove() function Theremove()function is Python’s built-in method to remove an element from a list. Theremove()function is as shown below. list.remove(item) Below is a basic example of using theremove()function. The function will remove the item with the value3from the list...
This is necessary because we aren't allowed to remove elements from a list while iterating over it. However, we can iterate over a copy of the list and remove elements from the original list. main.py my_list=[1,None,3,None,8,None,None,None]foriteminmy_list.copy():ifitemisNone:my...
We can also use built-in filter() function. First argument is a function itself which is applied to each item in list and returns an iterator containing those items of list for which argument function evaluates to true. Example:Remove List Items using filter() Copy mylist=[5,3,7,8,20,...
Learn how to remove duplicates from a List in Python. ExampleGet your own Python Server Remove any duplicates from a List: mylist = ["a","b","a","c","c"] mylist = list(dict.fromkeys(mylist)) print(mylist) Try it Yourself » ...
Method-1: remove the first element of a Python list using the del statement One of the most straightforward methods to remove the first element from a Python list is to use thedelstatement in Python. Thedelstatement deletes an element at a specific index. ...
If the function applied to an empty list, it does not raise any error. Conclusion It is up to your discretion to use the way of removing elements from a list, either by value or index. Different circumstances require a different approach, therefore Python provides various methods of removing...
Learn how to remove elements in a List in Python while looping over it. There are a few pitfalls to avoid. A very common task is to iterate over a list and remove some items based on a condition. This article shows thedifferent wayshow to accomplish this, and also shows somecommon pitf...
Then, you need to import the NumPy library in your Python script: import numpy as np Here’s how you can use it to remove NaN values from a list: Import NumPy and create your original list containing NaN values: import numpy as np original_list = [1, 2, np.nan, 4, np.nan] ...
How to remove an item by value from Python list? To remove a specific item from a Python list, you can use the list.remove() method. If more than one element in the list matches the specified value, only the first occurrence of that element will be removed. Specifying a value that do...
Userange()to Reverse a List in Python range()is a Python built-in function that outputs a list of a range of numbers. range(start,stop,step) This function has 3 arguments; the main required argument is the second argumentstop, a number denoting where you want to stop. There are 2 opt...