I had a spare fifteen minutes and decided that I should tidy up my monorepo. The work of tidying up is not finished; this is a small step in the right direction. TL;DR - Created a tools directory - Created a scratch directory (see README.md for more information) - Added README.md to third_party - Renamed delete_dotfile_symlinks -> symlinkManager - Packaged symlinkManager as an executable symlink-mgr using buildGo
		
			
				
	
	
		
			33 lines
		
	
	
	
		
			966 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			33 lines
		
	
	
	
		
			966 B
		
	
	
	
		
			Python
		
	
	
	
	
	
import unittest
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################################################################################
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# Solution
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################################################################################
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# find_repeat :: [Int] -> Int
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def find_repeat(xs):
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    n = len(xs) - 1
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    return sum(xs) - ((n**2 + n) / 2)
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################################################################################
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# Tests
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################################################################################
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class Test(unittest.TestCase):
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    def test_short_list(self):
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        actual = find_repeat([1, 2, 1])
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        expected = 1
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        self.assertEqual(actual, expected)
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    def test_medium_list(self):
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        actual = find_repeat([4, 1, 3, 4, 2])
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        expected = 4
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        self.assertEqual(actual, expected)
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    def test_long_list(self):
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        actual = find_repeat([1, 5, 9, 7, 2, 6, 3, 8, 2, 4])
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        expected = 2
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        self.assertEqual(actual, expected)
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unittest.main(verbosity=2)
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