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class Solution(object):
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def getLucky(self, s, k):
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"""
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:type s: str
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:type k: int
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:rtype: int
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"""
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string_to_transform = ""
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for letter in s:
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string_to_transform += str(ord(letter) - ord('a') + 1)
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for i in range(k):
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curr_sum = 0
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for digit in string_to_transform:
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curr_sum += int(digit)
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string_to_transform = str(curr_sum)
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return int(string_to_transform)
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