{ "question": { "nerd_level": 1, "text": "How to get and remove the first element of an array.", "a1": "[1,2,3].pop", "a2": "[1,2,3].last", "a3": "[1,2,3].shift", "a4": "[1,2,3].index(3)", "category": "ruby", "right_answer": "a1", "created_by": "Georg Leciejewski", "created_at": "2011-06-23", "id": "" } }