Quiz-1

June 23, 2019

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Question 1

Time: 00:00:00
What is the output of the code shown?







l=[1,2,3,4,5]

[x&1 for x in l]







[1, 0, 1, 0, 1 ]

[1, 0, 1, 0, 1 ]

[1, 0, 1, 0, 2 ]

[1, 0, 1, 0, 2 ]

[1, 0, 1, 0, 0]

[1, 0, 1, 0, 0]

None of these

None of these

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Question 2

Time: 00:00:00
Write the list comprehension to pick out only negative integers from a given list ‘l’.

[x<0 in l]

[x<0 in l]

[x for x<0 in l]

[x for x<0 in l]

[x in l for x<0]

[x in l for x<0]

[x for x in l if x<0]

[x for x in l if x<0]

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Question 3

Time: 00:00:00
What is the output of the code shown?







s=["pune", "mumbai", "delhi"]

[(w.upper(), len(w)) for w in s]







[(‘PUNE’, 4), (‘MUMBAI’, 6), (‘DELHI’, 5]

[(‘PUNE’, 4), (‘MUMBAI’, 6), (‘DELHI’, 5]

[PUNE, 4, MUMBAI, 6, DELHI, 5]

[PUNE, 4, MUMBAI, 6, DELHI, 5]

Cantsay

Cantsay

None of these

None of these

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Question 4

Time: 00:00:00
What is the output of the code shown below?







l1=[2,4,6]

l2=[-2,-4,-6]

for i in zip(l1, l2):

	print(i)







2, -2 4, -4 6, -6

2, -2 4, -4 6, -6

[(2, -2), (4, -4), (6, -6)]

[(2, -2), (4, -4), (6, -6)]

(2, -2) (4, -4) (6, -6)

(2, -2) (4, -4) (6, -6)

None of these

None of these

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Question 5

Time: 00:00:00
Write a list comprehension for number and its cube for l=[1, 2, 3, 4, 5, 6, 7, 8, 9].

[x**3 for x in l]

[x**3 for x in l]

[x^3 for x in l]

[x^3 for x in l]

[x**3 in l]

[x**3 in l]

[x^3 in l]

[x^3 in l]

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Question 6

Time: 00:00:00
. What is the output of the code shown below?







l1=[1,2,3]

l2=[4,5,6]

l3=[7,8,9]

for x, y, z in zip(l1, l2, l3):

	print(x, y, z)







4 7 2 5 8 3 6 9

4 7 2 5 8 3 6 9

(1 4 7) (2 5 8) (3 6 9)

(1 4 7) (2 5 8) (3 6 9)

Error

Error

None of these

None of these

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Question 7

Time: 00:00:00
What is the output of the code shown below?







l1=[1,2,3]

l2=[4,5,6]

[x*y for x in l1 for y in l2]







[4, 8, 12, 5, 10, 15, 6, 12, 18]

[4, 8, 12, 5, 10, 15, 6, 12, 18]

[4, 10, 18]

[4, 10, 18]

[4, 5, 6, 8, 10, 12, 12, 15, 18]

[4, 5, 6, 8, 10, 12, 12, 15, 18]

None of these

None of these

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Question 8

Time: 00:00:00
What is the output of the code shown below?







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

[[row[i] for row in l] for i in range(3)]







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

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

(1 4 7) (2 5 8) (3 6 9)

(1 4 7) (2 5 8) (3 6 9)

Error

Error

None of these

None of these

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Question 9

Time: 00:00:00
What is the output of the code shown below?







import math

[str(round(math.pi)) for i in range (1, 6)]







[‘3’, ‘3’, ‘3’, ‘3’, ‘3’, ‘3’]

[‘3’, ‘3’, ‘3’, ‘3’, ‘3’, ‘3’]

[‘3.1’, ‘3.14’, ‘3.142’, ‘3.1416’, ‘3.14159’, ‘3.141582’]

[‘3.1’, ‘3.14’, ‘3.142’, ‘3.1416’, ‘3.14159’, ‘3.141582’]

[‘3’, ‘3’, ‘3’, ‘3’, ‘3’]

[‘3’, ‘3’, ‘3’, ‘3’, ‘3’]

Error

Error

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Question 10

Time: 00:00:00
Write the list comprehension to pick out only negative integers from a given list ‘l’.

[x<0 in l]

[x<0 in l]

[x for x<0 in l]

[x for x<0 in l]

[x in l for x<0]

[x in l for x<0]

[x for x in l if x<0]

[x for x in l if x<0]

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