Binary Search in Python 3!

binary_search.py

def dosearch(array, target):
   min = 0
   max = len(array) - 1
   array = sorted(array)
   while min<=max:
       guess = (min+max) // 2
       if array[guess] == target:
           return guess
       elif array[guess] < target:
           min = guess + 1
       else:
           max = guess - 1
   return -1