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Week5

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Week 5 Quiz 💡

1. Let marks scored be a dictionary of the items given below:-

marks_scored = { }
marks_scored[’maths’]= 80
marks_scored[’science’]=90
marks_scored[’english’]=85
marks_scored[’social’]=95

Which of the following operation will print the items of the dictionary?

  • marks_scored.items() ✅
  • marks_scored.keys()
  • marks_scored.values()
  • all of the above

2. Which of the following operation on the dictionary marks_scored in Question 1 will remove a specified key and return the corresponding value?

  • marks_scored.remove
  • marks_scored.del
  • marks_scored.pop ✅
  • marks_scored.popitem

3. Speech recognition does not work on .wav extension files

  • True
  • False ✅

4. What are the items in the following dictionary :

Dictionary = {x: x*x for x in range(11) if x % 2 == 0 }
print(Dictionary)

  • Dictionary of odd numbers and their squares
  • Dictionary of even numbers and their squares ✅
  • dictionary of numbers divisible by 2
  • non of the above

5. In the game ”Rock, Paper and Scissor”, if player one enters 456 and player two enters 684 with their secret bits 0 and 2 respectively, then the expected outcome of the game would be ______

  • Player one wins
  • Player two wins
  • draw
  • insufficient data ✅

6. What is the output of the following code:

  • Ajay
    sem : 3
    roll_no : 1
    total_marks : 85
    Shwetha
    sem : 3
    roll_no : 2
    total_marks : 90 ✅

  • Ajay, sem : 3,roll_no : 1, total_marks : 85
    Shwetha, sem : 3, roll_no : 2, total_marks : 90

  • { Ajay, sem : 3,roll_no : 1, total_marks : 85 , Shwetha, sem : 3,
    roll_no : 2, total_marks : 90 }

  • none of the above

7. Binary search can be applied on any list of random elements

  • True
  • False ✅

8. Which of the following is true about bubble sort?

  • In each iteration the first element in unsorted list is compared with the remaining elements
  • The algorithm stops when the list is already sorted
  • In each iteration every consecutive pairs of the unsorted list are compared ✅
  • There is swapping of elements in each comparison made

9. Which are the given statements precisely explains the action of the given code?

  • rolls the dices as long as the input is ’y’
  • rolls the dices until the sum of their face values is 12
  • rolls the dices as long as the input is ’y’ or the sum of their face values is 12 ✅
  • rolls the dices infinitely

10. What will be the output of the following code?

  • 3 2
  • 2 3
  • 2 3 01 ✅
  • 01 3 2