How do I remove blank lines from a string in Python

Title: Removing Blank Lines from a String in Python: A Step-by-Step Tutorial
Introduction:
Blank lines in a string can be a common issue when dealing with text data in Python. Whether you're working with user input, reading from a file, or processing text data, you may encounter situations where removing unnecessary blank lines is essential. In this tutorial, we will explore different methods to remove blank lines from a string using Python.
Method 1: Using Split and Join:
This method involves splitting the input text into lines using split('\n'), filtering out the non-blank lines using a list comprehension, and then joining them back together using '\n'.join().
Method 2: Using Regular Expressions:
Method 3: Using Filter and Lambda Function:
This method uses the filter() function with a lambda function to filter out the non-blank lines and then joins them back together.
Conclusion:
Removing blank lines from a string in Python can be achieved using various methods, depending on your preference and the specific requirements of your task. Choose the method that best fits your needs, and feel free to customize the code to suit your specific use case.
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