![]() The code above runs without any error because the len() function returns 3. A better solution is to use the length of the list as the range() function's parameter. To fix this, you can modify the parameter in the range() function. Our list has no index with the value of 3. ![]() We got the error because range(4) returns 0, 1, 2, 3. The example above prints all the items in the list along with the Inde圎rror: list index out of range error. This will stop the loop once it gets to the last index. ![]() To fix this problem, we can modify the condition of the loop by removing the equal to sign. So the error is thrown when i is equal to 3 because there is no item with an index of 3 in the list. Inde圎rror: list index out of range error thrown. When i is 3 => Index not found in the list. In the example below, we'll try to print all the items in a list using a while loop. So, until a certain condition is met, they'll keep running. How to Fix the Inde圎rror: list index out of range Error in Python Loops The easy fix is to always use an index that exists in a list when trying to access items in the list. We got the Inde圎rror: list index out of range error because the list has no fourth item – it has only three items. In the example above, we tried to access a fourth item using its index: languages. If you try to access an item in a list using an index that is out of range, you'll get the Inde圎rror: list index out of range error. What Will Happen If You Try to Use an Index That Is Out of Range in a Python List? To access items in a list, you make use of their indexes. To make it easier to understand, here's a breakdown of the items in the list according to their indexes:Īs you can see above, the first item has an index of 0 (because Python is "zero-indexed"). They may assume that since the index is 1, it should be the first item. To access the second item, we used its index: languages. The list has three items - 'Python', 'JavaScript', and 'Java'. In the example above, we have a list called languages. The first item in a list has an index of zero.Ĭonsider the list below: languages = ![]() How Does Indexing Work in Python Lists?Įach item in a Python list can be assessed using its index number. You can skip the next section if you already know how indexing works. Specifying a range that exceeds the indexes in a list when using the range() function.īefore we proceed to fixing the error, let's discuss how indexing work in Python lists.Trying to access an index that doesn't exist in a list.You may get the Inde圎rror: list index out of range error for the following reasons: In each section of the article, I'll highlight a possible cause for the error and how to fix it. In this article, we'll talk about the Inde圎rror: list index out of range error in Python. ![]()
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