PCEP-30-02 3.2 Collect and Process Data Using Tuples PCEP-30 Practice Questions (Page 1)

Questions 1–5

1. 1foundation · easy

   What is the value of `t` after executing `t = ([1, 2], 3); t[0].append(4)`?

   • A([1, 2], 3)
   • B([1, 2], 3, 4)
   • CAn error is raised.
   • D([1, 2, 4], 3)
   Reveal Solution Discussion Select an answer first
2. 2application · medium

   A developer has a tuple `config = ('admin', ['read', 'write'])` and attempts to run `config[1].append('execute')`. What is the result of this operation?

   • AA ValueError is raised because the list is inside a tuple
   • BThe tuple becomes ('admin', ['read', 'write']) and no change occurs
   • CA TypeError is raised because tuples cannot be modified
   • DThe tuple is modified to ('admin', ['read', 'write', 'execute'])
   Reveal Solution Discussion Select an answer first
4. 3application · medium

   A developer has both a list `L = [1, 2, 3]` and a tuple `T = (1, 2, 3)` and needs to perform an operation that works identically on both. Which operation is valid for both `L` and `T`?

   • AL.sort() and T.sort()
   • BL[1:3] and T[1:3]
   • CL[1] = 20 and T[1] = 20
   • DL.append(4) and T.append(4)
   Reveal Solution Discussion Select an answer first
5. 4application · medium

   A programmer has a tuple `t = (1, 2, 3)` and needs to change the second element to 20. Which approach correctly achieves this?

   • At[1] = 20
   • Bt.append(20)
   • Ct[1:2] = (20,)
   • Dt = t[:1] + (20,) + t[2:]
   Reveal Solution Discussion Select an answer first
6. 5foundation · easy

   Given `lst = [(1, 2), (3, 4)]`, how do you access the value 4?

   • Alst[1][2]
   • Blst[1][1]
   • Clst[0][1]
   • Dlst[2][1]
   Reveal Solution Discussion Select an answer first