def test06(): return elapsed_minutes("0000", "2359") == 1439
def test07(): return elapsed_minutes("1213", "1929") == 436
def test05(): return elapsed_minutes("0959", "1058") == 59
def test04(): return elapsed_minutes("0237", "0338") == 61
def test03(): return elapsed_minutes("0237", "0337") == 60
def test02(): return elapsed_minutes("0001", "0002") == 1
def test01(): return elapsed_minutes("1234", "1234") == 0