class Solution(object):
def convertToTitle(self, n):
"""
:type n: int
:rtype: str
"""
ans = ''
while n > 0:
ans = chr(ord('A') + (n - 1) % 26) + ans
n = (n - 1) / 26
return ans
if __name__ == "__main__":
print Solution().convertToTitle(52)
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