Update bubble_sort.md

snippets/bubble_sort.md

@@ -3,7 +3,7 @@
 bubble sort also makes it too simple for sorting any list or array. It simply compares the two neighbouring values and swap them.
 
 ```python
-def bubbleSort(arr):
+def bubble_sort(arr):
     for passnum in range(len(arr)-1,0,-1):
         for i in range(passnum):
             if arr[i]>arr[i+1]:
@@ -15,6 +15,6 @@ def bubbleSort(arr):
 
 ```python
 arr = [54,26,93,17,77,31,44,55,20]
-bubbleSort(arr)
-print("sorted %s" %arr) # sorted via bubble sort
+bubble_sort(arr)
+print("sorted %s" %arr) # [17,20,26,31,44,54,55,77,91]
 ```