In python there are so many inbuild functions for String Operations. All the functions returns new values. They do not change the original values which is passed as a parameter.
This function capitalize the first letter of the sentencs.
s1="hello How are you today. good morning" s2= s1.capitalize() print(s1) print(s2) s1="HELLO HOW ARE YOU ?" print(s1) print(s2)