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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 formatter_help(cls):
 """ Return a list of format specifiers and their documentation. """

        result = [("raw", "Switch off the default field formatter.")]

        for name, method in globals().items():
            if name.startswith("fmt_"):
                result.append((name[4:], method.__doc__.strip()))

        return result