def test_solve_ex2():
ex2 = Puzzle()
ex2.puzzle = [[x for x in row] for row in ex2_puzzle.split('\n')]
ex2.words = 'AGRA;NORWAY;ENGLAND;GWALIOR'.split(';')
ex2.solve_this((0, 1), VERTICAL)
def test_solve():
ex1 = Puzzle()
ex1.puzzle = [[x for x in row] for row in ex1_puzzle.split('\n')]
ex1.words = 'LONDON;DELHI;ICELAND;ANKARA'.split(';')
ex1.solve_this((0, 1), VERTICAL)