Class 12 : Python String Inbuilt Functions 2

isspace()

This method helps us to check whether all the characters in string are spaces or not .

Syntax
string.isspace()

Returns “True” if all the characters in the text are spaces otherwise returns “False”.

Example:

#isspace()
n=" "
print(n.isspace())
n="HELLO"
print(n.isspace())
x=n.isspace()
print(x)

Output:

True
False
False
>>>

istitle()

The istitle() method returns True if all words in a text start with a upper case letter, AND the rest of the word are lower case letters, otherwise False.
Symbols and numbers are ignored.

Syntax
string.istitle()

Example:

#istitle()
n="Hello How Are You"
print(n.istitle())
n="HELLO"
print(n.istitle())
n="hello World"
x=n.istitle()
print(x)

Output:

True
False
False
>>>

lower()

This method converts all upper case alphabet characters of string to lower case.
Symbols and Numbers are ignored.

Syntax
string.lower()

Example:

#lower()
n="Hello How Are You"
print(n.lower())
n="HELLO"
print(n.lower())
n="hello World"
x=n.lower()
print(x)

Output:

hello how are you
hello
hello world
>>>

upper()

This method converts all lower case alphabet characters of string to upper case.
Symbols and Numbers are ignored.

Syntax
string.upper()

Example

#upper()
n="Hello How Are You"
print(n.upper())
n="HELLO"
print(n.upper())
n="hello World"
x=n.upper()
print(x)

Output:

HELLO HOW ARE YOU
HELLO
HELLO WORLD
>>>