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16 lines
302 B
Python
16 lines
302 B
Python
def solution(s):
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if len(s) == 0:
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return []
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elif len(s) % 2 == 1:
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s += "_"
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arr = []
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index = -1
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for i, letter in enumerate(s):
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if i % 2 == 0:
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index += 1
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arr.append(letter)
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else:
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arr[index] += letter
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return arr
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