The istitle() method checks if a string is titlecased. For titlecased string, the first letter of each word should be capitalized.
Example
#!/usr/bin/python3
# -*- coding: UTF-8 -*-
s = 'Have A Nice Day!'
print(s.istitle())
s = 'Have a nice day!'
print(s.istitle())
Output:
True
False
Syntax
string.istitle()
Parameters
The method doesn’t take any parameters.
Return Value
It returns True or False, depending on whether the first letter of each word is capitalized.