--description--

In this video, you will code out the binary search algorithm using Python.

--questions--

--text--

Why was the while first <= last: condition used in the solution?

--answers--

To ensure only the first half of the array is ever checked.

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To make the loop run forever until manually stopped.

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To skip checking the last element in the search range.

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To keep searching while there are still elements in the range and stop when the range is empty.

--video-solution--

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