def remove_resources(self, resources):
resources_to_delete = self._build_resource_dictionary(resources)<EOL>for email in resources_to_delete.keys():<EOL><INDENT>if email in self._resources:<EOL><INDENT>del self._resources[email]<EOL><DEDENT><DEDENT>self._dirty_attributes.add(u'<STR_LIT>')<EOL>
Removes resources from the event.

*resources* can be a list of email addresses or :class:`ExchangeEventAttendee` objects.