题解 | #数字颠倒#
数字颠倒
http://www.nowcoder.com/practice/ae809795fca34687a48b172186e3dafe
Python标准解法
nums = str(input()) #int-to-string
i = len(nums)-1
ans = []
while i >= 0:
ans.append(nums[i])
i -= 1
rev = ''.join(ans) #array-to-string
print(rev) 
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