Python String upper() Method: Converting a String to Uppercase (original) (raw)

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Summary: in this tutorial, you’ll learn how to use the Python String upper() method to return a copy of a string with all characters converted to uppercase.

Introduction to the Python String upper() method #

The upper() is a string method that allows you to return a copy of a string with all characters converted to uppercase.

The following shows the syntax of the upper() method:

str.upper()Code language: Python (python)

The upper() method takes no argument.

Note that the upper() method doesn’t change the original string.

To return a copy of a string with all characters converted to lowercase, you use the str.lower() method.

The following example uses the upper() method to return a copy of a string with all characters converted to uppercase:

`s = 'python uppercase' new_s = s.upper()

print(s) print(new_s)`Code language: Python (python)

Output:

python uppercase PYTHON UPPERCASECode language: Python (python)

Summary #

• Use the Python string upper() method to return a copy of a string with all characters converted to uppercase.

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