open_parser method Leave feedback

def open_parser(self):
    ...

    from groupdocs.parser import Parser
    from groupdocs.parser.exceptions import UnsupportedDocumentFormatException

    with Parser("portfolio.pdf") as parser:
        container = parser.get_container()
        if container:
            for item in container:
                try:
                    with item.open_parser() as inner_parser:
                        text = inner_parser.get_text().read_to_end()
                        print(f"{item.file_path}: {text if text else '[no text]'}")
                except UnsupportedDocumentFormatException:
                    print(f"{item.file_path}: format is not supported.")
    ```

## open_parser {#load_options}

Creates a [`Parser`](/parser/python-net/groupdocs.parser/parser/) object for the item content with [`LoadOptions`](/parser/python-net/groupdocs.parser.options/loadoptions/).

```python
def open_parser(self, load_options):
    ...

with item.open_parser() as inner_parser:
    text = inner_parser.get_text().read_to_end()
    print(text)

def open_parser(self, load_options, parser_settings):
    ...

from groupdocs.parser import Parser

with Parser("portfolio.pdf") as parser:
    container = parser.get_container()
    if container:
        for item in container:
            with item.open_parser() as inner_parser:
                text = inner_parser.get_text().read_to_end()
                print(f"{item.file_path}: {text if text else '[no text]'}")