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just to check if key os none or key does not exist . #47

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just to check if key os none or key does not exist . #47

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13 changes: 12 additions & 1 deletion algorithms/2_BubbleSort/bubble_sort_exercise_solution.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,15 +3,26 @@ def bubble_sort(elements, key=None):
size = len(elements)

for i in range(size-1):
if key is None:
print("please enter a key to start search.")
break
swapped = False
breakloop =False
for j in range(size-1-i):
if key not in elements[j]:
breakloop = True
break
a = elements[j][key]
b = elements[j+1][key]
if a > b:
tmp = elements[j]
elements[j] = elements[j+1]
elements[j+1] = tmp
swapped = True

if breakloop:
print("key is not correct")
break

if not swapped:
break
Expand All @@ -25,4 +36,4 @@ def bubble_sort(elements, key=None):
]

bubble_sort(elements, key='transaction_amount')
print(elements)
print(elements)