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Title: Python String Replacement Tutorial with str.replace()
Introduction:
In Python, the str.replace() method provides a convenient way to replace all occurrences of a specified substring within a string. This tutorial will guide you through the usage of str.replace() with code examples to demonstrate how to perform string replacement in Python.
The basic syntax of str.replace() is as follows:
Let's walk through a simple example:
Output:
In this example, all occurrences of "Hello" in the original_string have been replaced with "Greetings."
To perform a case-insensitive replacement, you can use a combination of str.lower() or str.upper() and str.replace(). Here's an example:
Output:
By default, str.replace() replaces only the first occurrence of the specified substring. To replace all occurrences, you can use a loop or leverage the count parameter:
Output:
Be cautious when dealing with whitespace. If you want to replace whitespace, consider using str.strip() or other methods to handle leading and trailing spaces.
Output:
The str.replace() method in Python is a powerful tool for performing string replacements. By understanding its basic syntax and additional features