Fix Your Python Program to Display Fibonacci Numbers in Rows of 4

Learn how to modify your Python program to output Fibonacci numbers with a limit of `4` numbers per row, making your results clearer and easier to read.
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This video is based on the question https://stackoverflow.com/q/71744364/ asked by the user 'Yakob' ( https://stackoverflow.com/u/16709308/ ) and on the answer https://stackoverflow.com/a/71744420/ provided by the user 'AndW' ( https://stackoverflow.com/u/13326667/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Format Fibonacci Numbers in Python Output

Are you working on a Python program that generates Fibonacci numbers, but struggling to format the output correctly? If you need your program to display up to 4 numbers per row, you’ve come to the right place! In this post, we will explain how to modify your existing code to achieve the desired formatting and provide a step-by-step solution.

Identifying the Problem

You have a program that successfully generates Fibonacci numbers but displays them all in a single line, like this:

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

While this output is correct, it can be hard to read. Instead, you want your output to look like this:

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

Thus, you need to find a way to display multiple numbers in separate rows, with a limit of 4 numbers per row.

Understanding the Solution

The key issue lies in the way the list of Fibonacci numbers is printed. Instead of printing the entire list at once, we want to group the elements into smaller sublists containing up to 4 numbers and then print these lists sequentially.

Steps to Achieve the Formatting:

Group Fibonacci Numbers into Sublists: We will split the main list into sublists containing up to 4 elements. This can be done using Python’s list comprehension.

Print Each Sublist on a New Line: Finally, we will print each of these sublists on a new line to achieve the desired output format.

Updated Code Example

Here’s how you can implement these changes in your original program:

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

Breakdown of the Code:

Creating the Fibonacci Sequence: The initial part of the function remains unchanged, where it appends Fibonacci numbers to the list li.

Grouping Items: The line li = [li[i:i+ 4] for i in range(0, len(li), 4)] slices the list into sublists of 4 elements each.

Printing: The statement print(*li, sep="\n") uses the unpacking operator *, which allows us to print each sublist on a new line.

Conclusion

By following the modifications outlined above, you can easily adjust your Python program to display Fibonacci numbers across multiple rows, with each row containing a maximum of 4 numbers. This not only makes your output cleaner but also improves readability, making your program much more user-friendly.

Now you can use this formatting technique in your future programming tasks to present data in a neat and organized manner!

Feel free to ask if you have any further questions or need additional help with your Python coding endeavors!

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