String: Python - 12th CBSE

String:

Strings Operations:

In python, consecutive sequence of characters is known as a string. An individual character in a string is

accessed using a subscript (index). The subscript should always be an integer (positive or negative) and

starts from 0. A literal/constant value to a string can be assigned using a single quotes, double quotes or

triple quotes. Strings are immutable i.e. the contents of the string cannot be changed after it is created.

+ (Concatenation)

* (Repetition )

in (Membership)

not in

range (start, stop[,step])

slice[n:m]

Example: Write the output from the following code:

1. A = 'Global'

B = 'warming'

print A+B

Ans: Globalwarming

2. A = 'Global'

Print 3*A

Ans: 'GlobalGlobalGlobal'

3. A='Global'

 'o' in A

Ans: True

4. A='Global'

 'g' in A

Ans: False

5. A='Global'

 'o' not in A

Ans: False

6. A='Global'

'g' not in A

Ans: True