fix bug in bubble_sort to move made_swap between two loops

Author: jerryderry

python/11_sorts/sorts.py

@@ -11,8 +11,8 @@
 def bubble_sort(a: List[int]):
  if len(a) <= 1: return
 
- made_swap = False
  for i in range(len(a)):
+ made_swap = False
  for j in range(len(a) - i - 1):
  if a[j] > a[j+1]:
  a[j], a[j+1] = a[j+1], a[j]