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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _html(title: str, field_names: List[str]) -> str: """ Returns bare bones HTML for serving up an input form with the specified fields that can render predictions from the configured model. """

    inputs = ''.join(_SINGLE_INPUT_TEMPLATE.substitute(field_name=field_name)
                     for field_name in field_names)

    quoted_field_names = [f"'{field_name}'" for field_name in field_names]
    quoted_field_list = f"[{','.join(quoted_field_names)}]"

    return _PAGE_TEMPLATE.substitute(title=title,
                                     css=_CSS,
                                     inputs=inputs,
                                     qfl=quoted_field_list)