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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 after_match(self, func, full_fallback=False):
 """Returns an iterator for all the elements after the first match. If `full_fallback` is `True`, it will return all the messages if the function never matched. """

        iterator = iter(self)
        for item in iterator:
            if func(item):
                return iterator
        if full_fallback:
            iterator = iter(self)
        return iterator