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@lttzzlll
Created May 17, 2018 07:10
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import unittest
import random
def is_repeat(n):
n_str = str(n)
for i in range(len(n_str) - 1):
if n_str[i] == n_str[i + 1]:
return False
return True
def firstnum(n):
while True:
n += 1
if is_repeat(n):
return n
return None
class FirstNumTest(unittest.TestCase):
def test_first_num(self):
n = 889911
next_n = 890101
res = firstnum(n)
self.assertEqual(res, next_n)
if __name__ == '__main__':
unittest.main()
@lttzzlll
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找到第一个不重复的数字。

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