def test_rot13_char(): assert_equal("o", rot13_char("b"))
def test_rot13_char(): assert_equal('n', rot13_char("a"))
def test_rot13_char_a(): assert "n" == rot13_char("a"), "Unexpected character"
def test_rot13_char_a(): assert_equal('n', rot13_char('a'))
def test_rot13_char_4(): assert_equal('4', rot13_char('4'))
def test_rot13_char_hello(): try: assert_equal('uryyb', rot13_char('hello')) except TypeError: print('rot13_char receives characters, not strings.')
def test_rot13_char_A(): assert_equal('N', rot13_char('A'))
def test_rot13_not_char(): assert "2" == rot13_char("2"), "Should awnser 2"
def test_rot13_char_a(): assert_equal("n", rot13_char("a"))
def test_rot13_char(): assert_equal("n", rot13_char("a")) assert_equal("-", rot13_char("-")) assert_equal("a", rot13_char("n"))
def test_rot13_char_non_alpha(): assert '#' == rot13_char('#')
def test_rot13_char_a(): assert "Z" == rot13_char("M"), "Unexpected character" assert "5" == rot13_char("5"), "Unexpected Non Alpha" assert "" == rot13_char(""), "Unexpected Not Null" assert "~" == rot13_char("~"), "Unexpected character"
def test_rot13(): assert len("12no889ert") == len( rot13_char("12no889ert")), "Unexpected string length" assert " xz " == rot13_char(" xz "), "Expected string with spaces"
def test_rot13_char_a(): assert_equal("Y", rot13_char("L"))
def test_rot13_char_z(): assert "m" == rot13_char("z"), "Unexpected character"
def test_rot13_char_alpha(): assert "a123" == rot13_char("a123"), "Unexpected character"