def test_10_4(self):
"test toBeOne from recommend.py"
data = [['1','2'],['2','3'],['1','2','3','4']]
result = toBeOne(data)
expectResult = ['1','2','3','4']
self.assertListEqual(result,expectResult,"toBeOne Error")
def test_10_2(self):
"test toBeOne from recommend.py"
data = []
result = toBeOne(data)
expectResult = []
self.assertListEqual(result,expectResult,"toBeOne Error")
