## PlainTextDocument(file_name) {#str} Creates a plain text Document from a file. Automatically detects the file format. ```python def __init__(self, file_name: str): ... ``` | Parameter | Type | D......```python doc = aw.Document() builder = aw.DocumentBuilder(doc=doc)...builder.writeln('Hello world!') doc.save(file_name=ARTIFACTS_DIR...