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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 get_filters_params(self, params=None):
 """ Returns all params except IGNORED_PARAMS """

        if not params:
            params = self.params
        lookup_params = params.copy()  # a dictionary of the query string
        # Remove all the parameters that are globally and systematically
        # ignored.
        for ignored in IGNORED_PARAMS:
            if ignored in lookup_params:
                del lookup_params[ignored]
        return lookup_params