Python Multiple Choice Questions – Tuples

Python Multiple Choice Questions & Answers (MCQs) focuses on “Tuples”.

Q 1. Which of the following is a Python tuple?
A.  [1, 2, 3]
B. (1, 2, 3)
C. {1, 2, 3}
D.  {}

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Answer:-B. (1, 2, 3)

Explanation

Tuples are represented with round brackets.

Q 2. Suppose t = (1, 2, 4, 3), which of the following is incorrect?
A. print(t[3])
B. t[3] = 45
C. print(max(t))
D. print(len(t))

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Answer:-B. t[3] = 45

Explanation

Values cannot be modified in the case of tuple, that is, tuple is immutable.

Q 3. What will be the output of the following Python code?

>>>t=(1,2,4,3)
>>>t[1:3]
A. (2, 4)
B. (1, 2, 4)
C. (1, 2)
D. (2, 4, 3)

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Answer:-A. (2, 4)

Explanation

Slicing in tuples takes place just as it does in strings.

Q 4. What will be the output of the following Python code?

>>>t=(1,2,4,3)
>>>t[1:-1]
A. (1, 2)
B. (1, 2, 4)
C. (2, 4)
D. (2, 4, 3)

Show Answer

Answer:-C. (2, 4)

Explanation

Slicing in tuples takes place just as it does in strings.

Q 5. What will be the output of the following Python code?

>>>t = (1, 2, 4, 3, 8, 9)
>>>[t[i] for i in range(0, len(t), 2)]
A.  [2, 3, 9]
B.  [1, 2, 4, 3, 8, 9]
C.  [1, 4, 8]
D. (1, 4, 8)

Show Answer

Answer:-C.  [1, 4, 8]

Q 6. What will be the output of the following Python code?

d = {“john”:40, “peter”:45}
d[“john”]
A.  40
B.  45
C.  “john”
D. “peter”

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Answer:-A.  40

Explanation

Execute in the shell to verify.

Q 7. What will be the output of the following Python code?

>>>t = (1, 2)
>>>2 * t
A.  (1, 2, 1, 2)
B.  [1, 2, 1, 2]
C. (1, 1, 2, 2)
D.  [1, 1, 2, 2]

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Answer:-A.  (1, 2, 1, 2)

Explanation

* operator concatenates tuple.

Q 8. What will be the output of the following Python code?

>>>t1 = (1, 2, 4, 3)
>>>t2 = (1, 2, 3, 4)
>>>t1 < t2
A. True
B. False
C.  Error
D. None

Show Answer

Answer:-B. False

Explanation

Elements are compared one by one in this case.

Q 9. What will be the output of the following Python code?

>>>my_tuple = (1, 2, 3, 4)
>>>my_tuple.append( (5, 6, 7) )
>>>print len(my_tuple)
A.  1
B. 2
C.  5
D. Error

Show Answer

Answer:-D. Error

Explanation

Tuples are immutable and don’t have an append method. An exception is thrown in this case.

Q 10. What will be the output of the following Python code?

numberGames = {}
numberGames[(1,2,4)] = 8
numberGames[(4,2,1)] = 10
numberGames[(1,2)] = 12
sum = 0
for k in numberGames:
sum += numberGames[k]
print(len(numberGames) + sum)
A. 12
B. 24
C. 30
D. 33

Show Answer

Answer:-D. 33

Explanation

Tuples can be used for keys into dictionary. The tuples can have mixed length and the order of the items in the tuple is considered when comparing the equality of the keys.