Python Dictionary MCQs with answers Page - 3

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Q. Which of the following is the correct way to define a dictionary?

  • (A) dict = [1: 'a', 2: 'b']
  • (B) dict = (1: 'a', 2: 'b')
  • (C) dict = {1: 'a', 2: 'b'}
  • (D) dict = '1: a, 2: b'

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Q. What will `len({'a':1, 'b':2, 'c':3})` return?

  • (A) 1
  • (B) 2
  • (C) 3
  • (D) Error

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Q. Which method is used to get the value from a dictionary for a given key?

  • (A) value()
  • (B) get()
  • (C) keys()
  • (D) items()

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Q. What will `my_dict = {'a':1}; my_dict['b']` return?

  • (A) None
  • (B) 0
  • (C) Error
  • (D) False

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Q. Which method adds a new key-value pair to a dictionary?

  • (A) add()
  • (B) append()
  • (C) insert()
  • (D) assignment using [ ]

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Q. What will `list({'a': 1, 'b': 2})` return?

  • (A) ['a', 'b']
  • (B) [1, 2]
  • (C) [('a', 1), ('b', 2)]
  • (D) {'a': 1, 'b': 2}

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Q. Which method removes all items from a dictionary?

  • (A) delete()
  • (B) remove()
  • (C) clear()
  • (D) discard()

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Q. What will `my_dict = {'a': 1}; 'a' in my_dict` return?

  • (A) False
  • (B) True
  • (C) None
  • (D) KeyError

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Q. How can you get all the keys from a dictionary?

  • (A) dict.keys()
  • (B) dict.getkeys()
  • (C) dict.allkeys()
  • (D) dict.keySet()

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Q. Which method returns all key-value pairs in a dictionary?

  • (A) items()
  • (B) pairs()
  • (C) values()
  • (D) entries()

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