Question

What is the index of 7 in this list?

[5, 6, 10, 7, 3, 2.5]
2.
0 3
4
7
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Answer 1

Assuming this is 0 based array indexing, it would look like this...

[ 5, 6, 10, 7, 3, 2.5 ]

[ 0, 1, 2, 3, 4, 5, 6 ]

The index of 7 would be 3.