Pure Python implementation of a binary search algorithm.
For doctests run following command: python3 -m doctest -v simple_binary_search.py
For manual testing run: python3 simple_binary_search.py
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>>> test_list = [0, 1, 2, 8, 13, 17, 19, 32, 42]
>>> binary_search(test_list, 3)
False
>>> binary_search(test_list, 13)
True
>>> binary_search([4, 4, 5, 6, 7], 4)
True
>>> binary_search([4, 4, 5, 6, 7], -10)
False
>>> binary_search([-18, 2], -18)
True
>>> binary_search([5], 5)
True
>>> binary_search(['a', 'c', 'd'], 'c')
True
>>> binary_search(['a', 'c', 'd'], 'f')
False
>>> binary_search([], 1)
False
>>> binary_search([-.1, .1 , .8], .1)
True
>>> binary_search(range(-5000, 5000, 10), 80)
True
>>> binary_search(range(-5000, 5000, 10), 1255)
False
>>> binary_search(range(0, 10000, 5), 2)
False