Python Multiple Choice Questions – Dictionary

This set of Python Multiple Choice Questions & Answers (MCQs) focuses on “Dictionary”.

1. Which of the following statements create a dictionary?
a) d = {}
b) d = {“john”:40, “peter”:45}
c) d = {40:”john”, 45:”peter”}
d) All of the mentioned
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2. What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}
print(d)

a) “john”, 40, “peter”, 45
b) {‘john’: 40, ‘peter’: 45}
c) 40 and 45
d) d = (40:”john”, 45:”peter”)
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3. What will be the output of the following Python code snippet?

>>> d = {"john":40, "peter":45}
>>> "john" in d

a) True
b) False
c) None
d) Error
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4. What will be the output of the following Python code snippet?

d1 = {"john":40, "peter":45}
d2 = {"john":466, "peter":45}
d1 == d2

a) True
b) False
c) None
d) Error
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5. What will be the output of the following Python code snippet?

d1 = {"john":40, "peter":45}
d2 = {"john":466, "peter":45}
d1 > d2

a) True
b) False
c) Error
d) None
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6. What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}
d["john"]

a) 40
b) 45
c) “john”
d) “peter”
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7. Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use?
a) d.delete(“john”:40)
b) d.delete(“john”)
c) del d[“john”]
d) del d(“john”:40)
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8. Suppose d = {“john”:40, “peter”:45}. To obtain the number of entries in dictionary which command do we use?
a) d.size()
b) len(d)
c) size(d)
d) d.len()
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9. What will be the output of the following Python code snippet?

d = {"john":40, "peter":45}
print(list(d.keys()))

a) [“john”, “peter”]
b) [“john”:40, “peter”:45]
c) (“john”, “peter”)
d) (“john”:40, “peter”:45)
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10. Suppose d = {“john”:40, “peter”:45}, what happens when we try to retrieve a value using the expression d[“susan”]?
a) Since “susan” is not a value in the set, Python raises a KeyError exception
b) It is executed fine and no exception is raised, and it returns None
c) Since “susan” is not a key in the set, Python raises a KeyError exception
d) Since “susan” is not a key in the set, Python raises a syntax error
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More MCQs on Python Dictionary:

• Python Dictionary MCQ (Set 2)
• Python Dictionary MCQ (Set 3)
• Python Dictionary MCQ (Set 4)

Sanfoundry Global Education & Learning Series – Python.

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