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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import unittest
def max_gap(lst):
if len(lst) < 2:
return 0
lst.sort()
max_gap = max(lst[i + 1] - lst[i] for i in range(len(lst) - 1))
return sum(1 for i in range(len(lst) - 1)
if lst[i + 1] - lst[i] == max_gap)
class TestMaxGap(unittest.TestCase):
def test_cases(self):
self.assertEqual(max_gap([2, 5, 8, 1]), 2, 'Test Case 1')
self.assertEqual(max_gap([3]), 0, 'Test Case 2')
if __name__ == '__main__':
unittest.main()
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