class Solution:
def reverse(self, x):
flag = 1
if x < 0:
flag = -1
x = -x
R = str(x)[::-1]#数字反转
R = int(R)
if R> 2147483647 or R < -2147483648:
R = 0
return R*flag
7.整数反转
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转载自blog.csdn.net/qq_42151208/article/details/88652795
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