Returns True if all words in a string starts with upper case letter , otherwise returns False
my_str='Welcome To Python'
print(my_str.istitle()) # Output is True
my_str='Welcome to Python'
print(my_str.istitle()) # Output is False
my_str='WELCOME TO PYTHON'
print(my_str.istitle()) # Output is False ( All letters in Upper case )
my_str='Welcome to python'
print(my_str.istitle()) # False ( All words are not starting with upper case)
my_str='100 Welcome'
print(my_str.istitle()) # True