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refactored to one pop() #917

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Jul 3, 2019
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4 changes: 2 additions & 2 deletions sorts/merge_sort.py
Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ def merge(left, right):
'''
result = []
while left and right:
result.append(left.pop(0) if left[0] <= right[0] else right.pop(0))
result.append((left if left[0] <= right[0] else right).pop(0))
return result + left + right
if len(collection) <= 1:
return collection
Expand All @@ -53,4 +53,4 @@ def merge(left, right):

user_input = raw_input('Enter numbers separated by a comma:\n').strip()
unsorted = [int(item) for item in user_input.split(',')]
print(*merge_sort(unsorted), sep=',')
print(*merge_sort(unsorted), sep=',')