string manipulation class 11 cbse

STRING MANIPULATION

STRING CREATION

• By assigning value direct to the variable

>>> str ="I love myself"

>>> str

I love myself

• By taking input

>>> str= input("enter a number")

     Enter a string This is python

>>> str 

     This is python

Transverse of a string

string1= input("Enter a string:")

print("The",string1,"in reverse order is:")

length= len(string1)

for a in range (-1,(-length),-1))

      print(sting1[a])

Membership operator in a string.

• in operator result into True or False.

like= "a" is in "pradeep"will result into true.

• not in

"k" not in "kumar" will result false.

String comparison operators

upper case and lower case has different unicode value.

EX. "A"=="a" false

       "abc"=="ABC" false

       "b"=="b" true

How to get unicode/ Ordinal value

>>>ord('a')

   97

>>>ord('A')

   65

>>> char(97)

   A