{"status": false, "msg": "('Expected singleton: grant.benefit(3, 2, 1)',), \u0627\u0644\u062a\u0648\u0627\u0635\u0644 \u0645\u0639 \u0645\u062f\u064a\u0631 \u0627\u0644\u0646\u0638\u0627\u0645"}