Python String upper() Method
Definition and Usage
The upper() method returns a string where 
all characters are in upper case.
Symbols and Numbers are ignored.
Syntax
  
    string.upper()
  
Parameter Values
No parameters
The upper() method returns a string where 
all characters are in upper case.
Symbols and Numbers are ignored.
  
    string.upper()
  
No parameters
If you want to report an error, or if you want to make a suggestion, do not hesitate to send us an e-mail:
support@w3schools.com
Your message has been sent to W3Schools.