How to Sort a List of Tuples with Zero Values at the End

Discover how to sort a list of tuples in Python while moving zero values to the end effortlessly. Learn step-by-step with code examples!
---
This video is based on the question https://stackoverflow.com/q/72283834/ asked by the user 'bmaloney' ( https://stackoverflow.com/u/19142176/ ) and on the answer https://stackoverflow.com/a/72283898/ provided by the user 'ThatNerd' ( https://stackoverflow.com/u/17879981/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: Need to sort this by the value but move the 0 to the end

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/licensing
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/by-sa/4.0/ ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Sort a List of Tuples with Zero Values at the End

Sorting data is a common task in programming, and it can become increasingly tricky when you need to follow specific rules. A frequently encountered requirement is to sort a list of tuples based on their values while also moving any entries with a value of zero to the end of the list. In this guide, we will break down how to achieve this in Python using the built-in sorting capabilities of lists.

The Problem

Imagine you have the following list of tuples that represent some data pairs:

[[See Video to Reveal this Text or Code Snippet]]

You want to sort this list based on the numerical values, but any tuples that have a value of zero should be placed at the end, resulting in the following sorted list:

[[See Video to Reveal this Text or Code Snippet]]

Let’s explore how to achieve this sorting task easily using Python’s sorting methods.

The Solution

To sort the given list properly, there’s a straightforward solution using the list.sort() method with some clever specifications for the sorting key. We’ll break it down step-by-step.

Step 1: Sort the List by Value

First, we will sort the list based on the second element in each tuple. This is the numeric value we want to order our tuples by. You can sort the list as follows:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Move Zero Values to the End

After the initial sorting, we need to adjust the list so that any tuples with a value of zero are pushed to the end. To accomplish this, we will perform another sort operation where the sorting key checks if the value is equal to zero:

[[See Video to Reveal this Text or Code Snippet]]

This second sorting modifies the order only for the tuples with zero values, effectively moving them to the end of the list.

Complete Code Example

Putting it all together, here’s how your complete code will look:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following these two simple sorting steps, you’ll be able to effectively organize your list of tuples in Python while ensuring that zero values are neatly tucked away at the end of the list. Sorting can often seem challenging, but with the right methods, it becomes a manageable task that enhances your data handling capabilities.

Happy coding!

Видео How to Sort a List of Tuples with Zero Values at the End канала vlogize