Saturday, November 23, 2024

Demonstration Coding: String Manipulation Removing Characters and Substrings

 

Illustration of python code

    Hello there! Good evening. I hope you're doing well and staying healthy. Today, I’ll demonstrate how to manipulate strings in Python, specifically focusing on deleting characters or substrings.

Let's dive into the code!


Design

As always, I adhere to good coding practices. In this demonstration, the code is designed with a modular approach.

Designed based on modularity

With a modular design, not only can I reuse the code for other projects, but other programmers can also contribute to expanding its functionality and reusing it.


Storage Class For Basic Data Storage

 

Storage class

The Storage class serves as the standard for data storage or as a basic configuration for the program.


Method: To Delete With Slice

Slicing in Python allows you to extract a portion of a string by specifying a range of indices. The method delete_with_slice uses this concept to remove a part of the string. It takes two parameters: start (the beginning index of the slice) and end (the ending index of the slice). The slice will include the character at the start index but exclude the character at the end index.

Method delete_with_slice()

If the end index exceeds the string's length, Python safely slices up to the string's end without raising an error. This makes slicing robust and prevents unexpected crashes.

The method then returns the new sliced string.


Method: To Delete With Replace

Replace is a string method in Python that allows you to substitute a specified substring with a new one. In the delete_with_replace method, the target parameter represents the substring you want to remove or replace, while the replacement parameter specifies the substring that will replace the target. By default, if no replacement is provided, the target will be removed.

Method delete_with_replace()

The method works by calling the replace() method on the string to replace the target with the replacement. It then uses split() and join() to remove any extra spaces between words (if any) and return a cleaned-up string.


Debugging


Debugging the program

First, I want to clarify that from pprint import pprint is not used here because formatted printing is not required in this case. Additionally, there is an incorrect placement of the split() method in the code; it should be placed outside the parentheses.

For a more detailed demonstration, you can watch the full coding video titled 'Python Demo: Methods To Delete From String'.

Python Demo: Methods to Delete from String


End

I hope this programming demonstration helps others with their projects or provides insight into how I approach coding.

As always, thank you for taking the time to read my blog! I look forward to seeing you again in the next article. Have a wonderful day!