def test_insert():
assert levenstein.dist("tree", "three") == 1
def test_different():
assert levenstein.dist("java", "php") == 4
def test_equals():
assert levenstein.dist("python", "python") == 0
def test_two_letters():
assert levenstein.dist("boat", "board") == 2
def test1(self):
a = 'Lost'
b = 'Ghost'
self.assertEqual(dist(a, b), 3)
def test4(self):
a = 'OneTwoThree'
b = 'FourFiveSix'
self.assertEqual(dist(a, b), 11)
def test3(self):
a = 'It\'s alive'
b = 'It\'s a lion'
self.assertEqual(dist(a, b), 3)
def test2(self):
a = 'Two sodas'
b = 'Foos ro dah'
self.assertEqual(dist(a, b), 6)
