Question 11 - Sample Paper 1 by Teachoo - Teachoo Sample Paper

What will be the output of the following code:

t = (1, 2, 3, 4, 5)

t = t[::-1]

t = t.index(2)

print(t)

a. 0

b. 1

c. 2

d. 3

Answer:

Answer by student

d. 3

Detailed answer by teachoo

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Let’s go through each of the options and see why they are correct or incorrect.

• Option a. 0: This is incorrect . This would be the output if 2 was the first element in the tuple t, which is not the case.
• Option b. 1: This is incorrect . This would be the output if 2 was the second element in the tuple t, which is not the case.
• Option c. 2: This is incorrect . This would be the output if 2 was the third element in the tuple t, which is not the case.
• Option d. 3: This is the correct answer. We will explain how to get this output in the next steps.

Now, let’s see how to get the correct output by following the code step by step.

• The first line of code creates a tuple t with five elements: 

t = (1, 2, 3, 4, 5)

• The second line of code reverses the order of the elements in t using slicing with a negative step of -1 and assigns the result to t. 

So, t becomes (5, 4, 3, 2, 1): t = t[::-1]

• The third line of code uses the index method to find the position of 2 in t and assigns the result to t. 

So, t becomes 3, since 2 is at index 3 in t: t = t.index(2)

• The fourth line of code prints the value of t, which is 3: print(t)

So, the final output is 3, which matches option d.

So, the correct answer is option d. 3.

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