Binary search algorithm

Source: Internet
Author: User
def find (L, aim, start=0, End=none):
end = Len (l) If End is None else End # end = Len (l)
Mid_index = (End-start)//2 + start # Calculate intermediate values
If Start <= end:
If L[mid_index] < aim:
Return find (L, aim, Start=mid_index + 1, end=end) # Calculation
Elif L[mid_index] > aim:
Return find (L, aim, Start=start, end=mid_index-1)
Else
Return Mid_index
Else
Return "could not find this value"


L = [2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 16, 17, 24, 25, 26, 29, 35, 36, 57, 60, 66, 86, 91, 93]


ret = Find (l, 39)
Print (ret)

Binary search algorithm

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