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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 find_matches(self, text):
 """Return candidates matching the text."""

        if self.use_main_ns:
            self.namespace = __main__.__dict__

        if "." in text:
            return self.attr_matches(text)
        else:
            return self.global_matches(text)