Python string swapcase() Method Last Updated : 02 Jan, 2025 Comments Improve Suggest changes Like Article Like Report swapcase() method in Python is used to return a new string where all the uppercase characters in the original string are converted to lowercase, and all the lowercase characters are converted to uppercase. Let's us understand this with the help of an example: Python s = "I love Python" swapped_text = s.swapcase() print(swapped_text) Outputi LOVE pYTHON Explanation:The uppercase characters are converted to lowercase.The lowercase characters are converted to uppercase.The result is a toggle-case version of the original string.Table of ContentSyntax of String swapcase() methodExamples of swapcase() method Frequently Asked Questions (FAQs) on swapcase() MethodSyntax of String swapcase() methodstring.swapcase()ParametersThe swapcase() method does not take any parameters.Return TypeReturns a new string where all uppercase characters are converted to lowercase and all lowercase characters are converted to uppercase.Simple toggle caseLet’s see how sswapcase() works with a mixed-case string: Python s = "Python IS Awesome!" res = s.swapcase() print(res) OutputpYTHON is aWESOME! Explanation:Uppercase characters P, I, S, and A are converted to lowercase.Lowercase characters y, t, h, o, n, and w are converted to uppercase.The method returns a toggle-case version of the input string.Handling numeric and special charactersThe swapcase()method does not affect numeric or special characters: Python s = "123 Python!" res = s.swapcase() print(res) Output123 pYTHON! Explanation:The numbers 123 and the special character ! remain unchanged.Only alphabetic characters are toggled.Applying swapcase() to an all-uppercase stringWhat happens if the string contains only uppercase characters? Python s = "HELLO" res = s.swapcase() print(res) Outputhello Explanation:All uppercase characters are converted to lowercase.The method works seamlessly with strings of any case.4. Applying swapcase() to an all-lowercase stringSimilarly, let’s see the result with an all-lowercase string: Python s = "world" res = s.swapcase() print(res) OutputWORLD Explanation:All lowercase characters are converted to uppercase.The method ensures a complete toggle of the string’s case. Comment More infoAdvertise with us Next Article Python string swapcase() Method S Striver Follow Improve Article Tags : Misc Python python-string Practice Tags : Miscpython Similar Reads Python String join() Method The join() method in Python is used to concatenate the elements of an iterable (such as a list, tuple, or set) into a single string with a specified delimiter placed between each element.Lets take a simple example to join list of string using join() method.Joining a List of StringsIn below example, 3 min read String lower() Method in Python lower() method in Python converts all uppercase letters in a string to their lowercase. This method does not alter non-letter characters (e.g., numbers, punctuation). Let's look at an example of lower() method:Pythons = "HELLO, WORLD!" # Change all uppercase letters to lowercase res = s.lower() prin 3 min read Python String lstrip() Method The lstrip() method removes leading whitespace characters from a string. We can also specify custom characters to remove from the beginning/starting of the string.Let's take an example to remove whitespace from the starting of a string.Pythons = " Hello Python!" res = s.lstrip() print(res)OutputHell 2 min read Python String partition() Method In Python, the String partition() method splits the string into three parts at the first occurrence of the separator and returns a tuple containing the part before the separator, the separator itself, and the part after the separator. 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