Access specific elements using itemgetter

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by vigneshchennai74 dot icon Updated: Feb 22, 2023

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itemgetter in Python can access specific elements from a list, tuple, or another sequence-like object by creating a callable object that retrieves the desired elements. To access specific elements from the list, we create a callable object using the itemgetter function and pass it the indices of the elements we want to retrieve. We can then call this object with the list an argument to retrieve the desired elements. 

itemgetter in Python can be extremely helpful when accessing a specific element or multiple elements from a list or other sequence-like object. It prevents you from writing more complex code using for-loops or list comprehensions. 

Here are a few ways itemgetter can help when accessing specific elements: 

  • Accessing multiple elements at once: If you need multiple elements from a list or other sequence-like object, an itemgetter can help you quickly and easily retrieve them as a tuple. For example, suppose you have a list of tuples and want to extract the second element from each tuple. In that case, you can use itemgetter(1) to create a callable object that retrieves the second element and then pass each tuple in the list to this object to get the desired values. 
  • Selecting specific columns from a list of lists: If you have a list of lists (e.g., a table of data) and need to extract specific columns, you can use itemgetter to select the desired columns and return a new list of lists with only those columns. This can be much more concise and readable than nested for-loops or list comprehensions. 
  • Sorting a list by multiple criteria: If you need to sort a list by multiple criteria (e.g., first by last name and then by first name), you can use itemgetter to extract the values for each criterion and pass them to the sorted function as a tuple. This can be much more readable than writing a custom comparison function. 

Using itemgetter in these and other scenarios makes your code more concise, efficient, and easier to read and maintain. Using itemgetter can make your code more concise and readable by allowing you to express your intent more clearly. 

Here is an example of how to access a specific element using Itemgetter: 

Preview of the output that you will get on running this code.


In this solution we have used Itemgetter function of operator module in python.

  1. Copy this code using "Copy" button above and paste it in your Python ide
  2. Run the code to get , specific elements of list.

I hope you have found this useful. I have added the version information in the following section.

I found this code snippet by searching "How to access only specific elements of the list" in kandi. you can try any use case.

Environment Tested

In this solution we have used the following versions. Be mindful to change when working with other versions.

  • This solution is created using Python version 3.7.15

Using this solution we can able to Access specific item in the list in python with simple Steps. This process also facilities an easy to use, hassle free method to create a hands-on working version of code which would help us to access the specific item in our list Python.


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