Question

1. (04.03 lc)

list indexing begins at 1. consider the code segment below.
coffee ← \drip\, \espresso\, \caffe latte\, \cappuccino\
which of the following is a valid index for the list? (5 points)
○ 2.5
○ -1
○ 3
○ \drip\

Explanation:

Step1: Count list elements

The list coffee has 4 elements, so valid 1-based indices are $1, 2, 3, 4$.

Step2: Evaluate each option

• 2.5: Non-integer, invalid.
• -1: Negative, invalid for 1-based indexing.
• 3: Integer within $1$ to $4$, valid.
• "Drip": Is a list value, not an index, invalid.

Answer:

C. 3