Lesson 21- Matrix manipulation

What will be the output of the following program ?

x=[[1,2,3],[4,5,6],[7,8,9]]

print(x[0][2])

• 5

• 4

• 3

• Error

How many times the ‘hii’ will be printed ?

• 2

• 12

• 1

• nothing

What will be the output of the following program ?

• {}

• {1,2,3}

• {1,2,3,4}

• none

What will be the output of the following program ?

• {1,4}

• {2,5,3,2}

• {1,2,3,4}

• none

What will be the output of the following code ?

• {10,20,30,40}

• {20,30}

• {2,3,4}

• none

What will be the output of following code ?

s={1,2,3,4,5,2,4,1}

t=tuple(s)

print(t)

• [1,2,3,4,5,2,4,1]

• (1,2,3,4,5,2,4,1)

• {1,2,4}

• none

Can you change the elements of the tuple ?

• yes

• no

• can't say

• may or may not be

what will be the output of the following statement ?

• 10

• 1234notchup

• error

• none

What will be the output of the following code ?

a = {1,2,3,}

a.discard(1)

print(a)

• {1,2,3}

• {2,3}

• error

• none

which function is used to check the common elements between two sets ?

• union()

• intersection()

• discard()

• add()