python binary search
def binary_search(arr, item):
first = 0
last = len(arr) - 1
while(first <= last):
mid = (first + last) // 2
if arr[mid] == item :
return True
elif item < arr[mid]:
last = mid - 1
else:
first = mid + 1
return FalseCopyright © 2021 Codeinu
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