test_creating_hashes passing
test_hash_literals passing
test_accessing_hashes passing
test_accessing_hashes_with_fetch passing
add #fetch comments
test_changing_hashes passing
test_hash_is_unordered passing
test_hash_keys passing
test_hash_values passing
test_combining_hashes passing
test_default_value passing
test_default_value_is_the_same_object passing
test_default_value_with_block passing
test_double_quoted_strings_are_strings passing
test_single_quoted_strings_are_also_strings passing
test_use_single_quotes_to_create_string_with_double_quotes passing
test_use_double_quotes_to_create_strings_with_single_quotes passing
test_use_backslash_for_those_hard_cases passing
test_use_flexible_quoting_to_handle_really_hard_cases passing
test_flexible_quotes_can_handle_multiple_lines passing