about_strings.py test_escaping_quotes_at_the_end_of_triple_quoted_string
about_strings.py test_plus_concatenates_strings
about_strings.py test_adjacent_strings_are_concatenated_automatically
about_strings.py test_plus_will_not_modify_original_strings
about_strings.py test_plus_equals_will_append_to_end_of_string
about_strings.py test_plus_equals_also_leaves_original_string_unmodified
about_strings.py test_most_strings_interpret_escape_characters