Python String upper()
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()
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.
Python String upper()
method example
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)
Output:
python uppercase
PYTHON UPPERCASE
Summary
- Use the Python string
upper()
method to return a copy of a string with all characters converted to uppercase.