Скачать или смотреть Solving Extra Spaces in Python’s print() Function When Multiplying Strings

Discover how to fix the extra space issue when printing strings in Python, particularly when creating patterns like a Mario pyramid.
---
This video is based on the question https://stackoverflow.com/q/70734599/ asked by the user 'Sherri' ( https://stackoverflow.com/u/11932098/ ) and on the answer https://stackoverflow.com/a/70734638/ provided by the user 'Masked Man' ( https://stackoverflow.com/u/4935567/ ) 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: print() go wrong when multiple a string by any number, why does that happen?

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

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
Understanding the Problem

If you're working with Python and you've encountered an unexpected output with spaces when using the print() function, you're not alone! This problem often arises when you multiply a string and inadvertently add extra spaces. In this guide, we'll break down this issue and provide a clear solution so you can produce the desired output without any surprises.

The Scenario

Imagine you're developing a program that outputs a pyramid shape based on user input, like in a classic Mario game. The goal is to construct a pyramid of a certain height, where the number of spaces and hashes varies according to user input.

When you run your program, you might get an unexpected result similar to this:

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

As you can see, every line starts with an additional space that shouldn't be there. So what's happening?

The Root of the Problem

When using Python's print() function with multiple arguments, it automatically adds a space between them. In your code, the line of code responsible for printing looks like this:

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

Here, print() sees two arguments: the string of spaces and the string of hashes. As a result, it adds a space between these two components, which leads to the extra space being printed at the beginning of each line.

The Solution

To eliminate this unwanted space, we need to customize the behavior of the print() function. Luckily, it provides a way to manage how arguments are separated through the sep parameter. By setting sep to an empty string, we can avoid the automatic space insertion:

Corrected Code

Here’s the revised version of your code:

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

Breaking Down the Changes

Using sep="": This change tells the print() function not to insert any space between the two printed strings.

Maintaining your logic: The overall logic of your pyramid structure remains intact, ensuring that both the spacing and the hash symbols are generated correctly.

Conclusion

By understanding how the print() function manages its arguments and using the sep parameter, you can easily solve the problem of extra spaces in your output. Now, run your program again, and the result should look exactly like you intended:

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

No extra spaces, just the pyramid you want! Happy coding!