PCEP-30-02 3.2 Collect and Process Data Using Tuples PCEP-30 Practice Questions (Page 3)

Questions 11–15

1. 11foundation · easy

   What happens when you attempt to execute `t = (1, 2, 3); t[0] = 99`?

   • AA ValueError is raised because the value is out of range.
   • BThe tuple becomes (99, 2, 3).
   • CA TypeError is raised because tuples are immutable.
   • DThe tuple is silently unchanged.
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2. 12foundation · easy

   Given the tuple `t = ('a', 'b', 'c', 'd', 'e')`, which slice returns `('c', 'd')`?

   • At[1:4]
   • Bt[2:4]
   • Ct[2:3]
   • Dt[3:5]
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4. 13foundation · easy

   Given the tuple `t = (0, 1, 2, 3, 4, 5)`, what is the result of `t[1:5:2]`?

   • A(1, 3)
   • B(1, 2, 3, 4)
   • C(1, 3, 5)
   • D(0, 2, 4)
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5. 14application · medium

   A developer is deciding whether to use a list or a tuple for a fixed set of configuration values that will be read frequently but never changed. Which statement correctly describes a relevant advantage of using a tuple in this scenario?

   • ATuples support item assignment, making them easier to update
   • BTuples are immutable, which prevents accidental modification of the configuration values
   • CTuples can be resized dynamically without performance overhead
   • DTuples are always faster than lists for every operation
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6. 15foundation · easy

   What is the result of `[(1, 2), (3, 4)][0][0]`?

   • A1
   • B3
   • C2
   • D(1, 2)
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