resolve issue 70, correction in python selection sort (#72)

* Resolve Issue #40: Changed more examples to use python3 syntax

* corrected selection sort python

02_selection_sort/python/01_selection_sort.py

@@ -7,6 +7,7 @@ def findSmallest(arr):
   for i in range(1, len(arr)):
     if arr[i] < smallest:
       smallest_index = i
+      smallest = arr[i]      
   return smallest_index
 
 # Sort array