Which of the following is the output of the following python code?
str1="TamilNadu"
print(str1[::-1])

(a)

Tamilnadu

(b)

Tmlau

(c)

udanlimaT

(d)

udaNlimaT

What will be the output of the following code?
str1 = "Chennai Schools"
str1[7] = "-"

(a)

Chennai-Schools

(b)

Chenna-School

(c)

Type error

(d)

Chennai

Which of the following operator is used for concatenation?

(a)

+

(b)

&

(c)

*

(d)

=

Defining strings within triple quotes allows creating:

(a)

Single line Strings

(b)

Multiline Strings

(c)

Double line Strings

(d)

Multiple Strings

Strings in python:

(a)

Changeable

(b)

Mutable

(c)

Immutable

(d)

flexible