The upper() method converts lowercase letters in a string to uppercase letters.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
str = "have a nice day....wow!!!"
print ("str.upper(): ", str.upper())
Output:
str.upper(): HAVE A NICE DAY....WOW!!!
Syntax
str.upper()
Parameters
The method doesn’t take any parameters.
Return Value
It returns the uppercased string from the given string.