Output of Python Programs | Set 20 (Tuples)

Prerequisite : Tuples
Note: Output of all these programs is tested on Python3

1. What will be the output of the following program ?

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tuple = (1, 2, 3, 4)
tuple.append( (5, 6, 7) )
print(len(my_tuple))

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Options:

  1. 1
  2. 2
  3. 5
  4. Error

Output:

4. Error

Explanation: In this case an exception will be thrown as tuples are immutable and don’t have an append method.



2. What will be the output of the following program ?

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tuple = {}
tuple[(1,2,4)] = 8
tuple[(4,2,1)] = 10
tuple[(1,2)] = 12
_sum = 0
for k in tuple:
    _sum += tuple[k]
print(len(tuple) + _sum)

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Options:

  1. 34
  2. 12
  3. 31
  4. 33

Output:

4. 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.

3. What will be the output of the following program ?

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tuple1 = (1, 2, 4, 3)
tuple2 = (1, 2, 3, 4)
print(tuple1 < tuple2)

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Options:

  1. Error
  2. True
  3. False
  4. Unexpected

Output:

3. False

Explanation: In this case elements will be compared one by one. So, when it compare 4 with 3 it will return False.

4. What will be the output of the following program ?

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tuple = (1, 2, 3)
print(2 * tuple)

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Options:



  1. (1, 2, 3, 1, 2, 3)
  2. (1, 2, 3, 4, 5, 6)
  3. (3, 6, 9)
  4. Error

Output:

1. (1, 2, 3, 1, 2, 3)

Explanation: ‘*’ operator is used to concatenate tuples.

5. What will be the output of the following program ?

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tuple=("Check")*3
print(tuple)

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Options:

  1. Unexpected
  2. (3Check)
  3. (CheckCheckCheck)
  4. Syntax Error

Output:

3. (CheckCheckCheck)

Explanation: Here (“Check”) will be treated as is a string not a tuple as there is no comma after the element.



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