computer science

Your Class is...

• 9

• 12

• 10

• 11

Which statement is a sequence of more than one statements?

• (a) Control statement

•   (b) Compound statement

•   (c) Single statement

•   (d) Sequence statement

Which of the following is not a valid identifier?

•   (a) _Num  

•   (b) Sum123

•   (c) num^2

•   (d) name_1

Which of the following is a keyword that has pre-defined meaning?

•   (a) python  

•   (b) data type

•   (c) global

•   (d) variable

Choose the correct option with respect to Python.

• (a)Both tuples and lists are immutable.

• (b)Tuples are immutable while lists are mutable.

• (c)Both tuples and lists are mutable.

• (d)Tuples are mutable while lists are immutable.

Comments start with ______ symbol?

• %

• &

• #

• @

Which one of the following is correct?

• (a) In Python, a dictionary can have two same keys with different values.

•   (b) In Python, a dictionary can have two same values with different keys.

•   (c) In Python, a dictionary can have two same keys or same values but cannot have two

    same keys-value pair.

•   (d) In Python, a dictionary can neither have two same keys nor two same values.

What will be the output of the following Python code?

>>> a=(1,2,(4,5))

>>> b=(1,2,(3,6,9))

>>> b>a

• (a) False

•   (b) True

   

• (c) Error, > operator is not valid for tuples.

   

• (d) Error, > operator is valid for tuples but not if there are sub-tuples.

What will be the output of the following Python code?

>>> a=(1,2,(4,5))

>>> a>a[::-1]

• (a) False

•   (b) True

•   (c) Error, > operator is not valid for tuples.

•   (d) Type Error.

What will be the output of the following Python code?

tup1=((56, 89),(36,66),(88, 69))

s = tup1.sort()

print(s)

• (a) ((56, 89),(36,66),(69,88))

• (b) ((36, 66), (56, 89), (88, 69))

• (c) 'tuple' object has no attribute 'sort'

• (d) Error because tuples are immutable