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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 from_text(cls, text, mapping='mapping'):
 """ Create a Profile instance from the Unicode graphemes found in `text`. Parameters text mapping Returns ------- A Profile instance. """

        graphemes = Counter(grapheme_pattern.findall(text))
        specs = [
            OrderedDict([
                (cls.GRAPHEME_COL, grapheme),
                ('frequency', frequency),
                (mapping, grapheme)])
            for grapheme, frequency in graphemes.most_common()]
        return cls(*specs)