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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 color( self, text=None, fore=None, back=None, style=None, no_closing=False):
 """ A method that colorizes strings, not Colr objects. Raises InvalidColr for invalid color names. The 'reset_all' code is appended if text is given. """

        has_args = (
            (fore is not None) or
            (back is not None) or
            (style is not None)
        )
        if hasattr(text, '__colr__') and not has_args:
            # Use custom __colr__ method in the absence of arguments.
            return str(self._call_dunder_colr(text))

        # Stringify everything before operating on it.
        text = str(text) if text is not None else ''
        if _disabled:
            return text

        # Considered to have unclosed codes if embedded codes exist and
        # the last code was not a color code.
        embedded_codes = get_codes(text)
        has_end_code = embedded_codes and embedded_codes[-1] == closing_code
        # Add closing code if not already added, there is text, and
        # some kind of color/style was used (whether from args, or
        # color codes were included in the text already).
        # If the last code embedded in the text was a closing code,
        # then it is not added.
        # This can be overriden with `no_closing`.
        needs_closing = (
            text and
            (not no_closing) and
            (not has_end_code) and
            (has_args or embedded_codes)
        )
        if needs_closing:
            end = closing_code
        else:
            end = ''
        return ''.join((
            self.color_code(fore=fore, back=back, style=style),
            text,
            end,
        ))