Python Programming MCQ - Data Types

9. What will be the output of the following code?
  arr = [1,2,3,4,5,6]

A. [1,3,5]
B. [2,4,6]
C. [1,2]
D. [5,6]

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10. Which of these is not a core data type?

A. List
B. Tuple
C. Dictionary
D. Class

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11. Which of these about a dictionary is false?

A. The values of a dictionary can be accessed using keys
B. The keys of a dictionary can be accessed using values
C. Dictionaries aren’t ordered
D. Dictionaries are mutable

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12. Which of the following is incorrect about dictionary keys?

A. More than one key isn’t allowed
B. When duplicate keys encountered, the last assignment wins
C. Keys must be immutable
D. Keys must be integers

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13. Which of the follwing are the keys in the given statment : abc = {'first':10, "second":20}

A. 10, 20
B. first, second
C. first, 10, second, 20
D. first, 20

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14. Which of the following data type is used to store values in Key & Value format?

A. List
B. Tuple
C. Dictionary
D. Set

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15. What is the output of following: set([1,1,2,3,4,2,3,4])

A. [1,1,2,3,4,2,3,4]
B. {1,2,3,4}
C. {1,1,2,3,4,2,3,4}
D. Invalid syntex

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16. Which of the following statements is used to create an empty set?

A. []
B. ()
C. set()
D. {}

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