Module 2: Python Data Structures

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In this post, I provide accurate answers and detailed explanations for Module 2: Python Data Structures of Course 4: Python for Data Science, AI & Development – IBM Generative AI Engineering Professional Certificate

Whether you’re preparing for quizzes or brushing up on your knowledge, these insights will help you master the concepts effectively. Let’s dive into the correct answers and detailed explanations for each question.

Practice Quiz

1. Consider the following tuple:

say_what=('say',' what', 'you', 'will')

what is the result of the following say_what[-1]

  • ‘you’
  • ‘ what’
  • ‘will’
  • ‘say’

2. Consider the following tuple A=(1,2,3,4,5). What is the result of the following: A[1:4]:

  • (2, 3, 4,5)
  • (2, 3, 4)
  • (3, 4,5)

3. Consider the following tuple A=(1,2,3,4,5), what is the result of the following: len(A)

  • 4
  • 5
  • 6

4. Consider the following list B=[1,2,[3,'a'],[4,'b']], what is the result of the following:B[3][1]

  • “c”
  • “b”
  • [4,”b”]

5. What is the result of the following operation?

[1,2,3]+[1,1,1]

  • [1, 2, 3, 1, 1, 1]
  • TypeError
  • [2,3,4]

6. What is the length of the list A = [1] after the following operation: A.append([2,3,4,5])

  • 2
  • 6
  • 5

7. What is the result of the following: "Hello Mike".split()

  • [“HelloMike”]
  • [“Hello”,”Mike”]
  • [“H”]

8. What are the keys of the following dictionary: {"a":1,"b":2}

  • 1,2
  • “a”,”b”

9. Consider the following Python Dictionary:

Dict={"A":1,"B":"2","C":[3,3,3],"D":(4,4,4),'E':5,'F':6}

What is the result of the following operation: Dict["D"]

  • [3,3,3]
  • (4, 4, 4)
  • 1

10. Consider the following set: {"A","A"}, what will the result be when the set is created?

  • {“A”}
  • {“A”,”A”}

11. What is the result of the following: type(set([1,2,3]))

  • set
  • list

12. What method do you use to add an element to a set?

  • extend
  • add
  • append

13. What is the result of the following operation : {'a','b'} &{'a'}

  • {‘a’,’b’}
  • {‘a’}

Module 2 Graded Quiz

14. Consider the tuple A=((1),[2,3],[4]), that contains a tuple and list. What is the result of the following operation A[2] ?

  • [4]
  • [2,3]
  • 1

15. Consider the tuple A=((11,12),[21,22]), that contains a tuple and list. What is the result of the following operation A[0][1]?

  • 21
  • 11
  • 12

16. The method append does the following:

  • adds one element to a list
  • merges two lists or insert multiple elements to a list

17. Consider the following list : A=["hard rock",10,1.2]

What will list A contain after the following command is run: del(A[0]) ?

  • [10,1.2]
  • [“hard rock”,10,1.2]
  • [“hard rock”,10]

18. What is the syntax to clone the list A and assign the result to list B ?

  • B=A
  • B=A[:]

19. What is the result of the following: len(("disco",10,1.2, "hard rock",10)) ?

  • 5
  • 6
  • 0

20. Consider the following dictionary:

{ "The Bodyguard":"1992", "Saturday Night Fever":"1977"}

select the values

  • “1977”
  • “1992”
  • “The Bodyguard”
  • “Saturday Night Fever”

21. The variable release_year_dict is a Python Dictionary, what is the result of applying the following method: release_year_dict.values() ?

  • retrieve the keys of the dictionary
  • retrieves, the values of the dictionary

22. Consider the Set: V={'A','B'}, what is the result of V.add('C')?

  • error
  • {‘A’,’B’}
  • {‘A’,’B’,’C’}

23. What is the result of the following: '1' in {'1','2'} ?

  • False
  • True

Related contents:

Module 1: Python Basics
Module 3: Python Programming Fundamentals
Module 4: Working with Data in Python
Module 5: APIs and Data Collection

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