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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 send_mass_contributor_emails(self):
 """Send report email to all relevant contributors."""

        # If the report configuration is not active we only send to the debugging user.
        for contributor in self.contributors:
            if contributor.email not in EMAIL_SETTINGS.get("EXCLUDED", []):
                self.send_contributor_email(contributor)