fix to correct the typecast

TypeError                                 Traceback (most recent call last)
<ipython-input-7-6e7ff2ec5466> in <module>
     27 
     28     # Function call
---> 29     result = binarySearch(arr, 0, len(arr) - 1, x)
     30 
     31     #printing the output

<ipython-input-7-6e7ff2ec5466> in binarySearch(arr, l, r, x)
      4         mid = l + (r - l) / 2;
      5 
----> 6         if arr[mid] == x:
      7             return mid
      8 

TypeError: list indices must be integers or slices, not float

Author: Monsieurvishal

Binary_search.py

@@ -3,7 +3,8 @@
 def binarySearch(arr, l, r, x):
     while l <= r:
 
-        mid = l + (r - l) / 2; #extracting the middle element from the array
+        mid = l + (r - l) / 2 #extracting the middle element from the array
+        mid=int(mid) #it has to be integer
 
         # Check if x is present at mid 
         if arr[mid] == x: