Python Programming MCQ - Data Types

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

arr = [1,2,3,4,5,6]
print(a[::2])

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

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

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

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13. 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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14. 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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15. Which of the follwing are the keys in the given statement : abc = {"first":10, "second":20}

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

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16. 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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17. 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 Syntax

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

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

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19. Which one of the following is False regarding data types in Python?

A. In python, explicit data type conversion is possible
B. Mutable data types are those that can be changed.
C. Immutable data types are those that cannot be changed.
D. None of the above

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20. Which of the following function is used to know the data type of a variable in Python?

A. datatype()
B. typeof()
C. type()
D. vartype()

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