The Joy of Computing using Python: Assignment 3:

1 point

1. What will be the output of following program?

numbers = [1, 2, 3, 4]

numbers.append([5,6,7,8])

print(len(numbers))

 4

 5

 8

 12

Ans: 5

1 point

2. What will be displayed by the following code?

list1 = [1, 3]

list2 = list1

list1[0] = 4

print(list2)

 [4,3]

 [1,3]

 [1,4]

 [1,2,3]

Ans: a

1 point

3. What does the function random.randrange(49,150) return in Python?

 It returns a random number from 49 to 150

 It returns a random number from 49 to 149

 It returns a random number from 50 to 150

 It returns a random number from 50 to 149

Ans: b

1 point

4. Which of the following options is the possible outcome of the function shown below?

random.randrange(1,100,10)

 22

 9

 101

 91

Ans: d

1 point

5. What can be the output of the following code snippet?

list = [55, 66, 77, 88, 99]

print(random.choice(list))

 100

 99

 55

 Either B or C

Ans: d

1 point

6. If the word in your mind is HIT, in how many ways can you pose the jumbled question?

 5

 6

 7

 8

Ans: 6

1 point

7. How is trimmed mean calculated?

 Sort the values then remove top 10% or bottom 10% of the values

 Sort the values then remove top 10% and bottom 10% of the values

 Sort the values then remove top 10% of the values

 Sort the values then remove bottom 10% of the values

Ans: b

1 point

8. State True or False.
   Matplotlib in Python can only generate line graphs.

 True

 False

Ans: False

1 point

9. What is the output of the following matplotlib program?

from matplotlib import pyplot as plt

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

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

plt.plot(x,y)

plt.show()

 A straight line

 A parabola

 A zig-zag pattern

 None of the above

Ans: a