Which of the following lines would cause an error assuming the file cat.json exists and contains correctly formatted json data? Select all that apply. adict=json.loads("cat.json")adict=json.loads({})adict=json.loads(open("cat.json"))astr=json.dumps("cat.json") If the file letters.csv contains the first nine letters of the alphabet with three letters on each line separated by commas, what would be printed out by the code below (put the word Error if an error would occur)? with open("letters.csv") as f : reader =list(csv.DictReader (f, delimiter = ", ", quotechar =)print(reader[1][bb])