Consider the following program: def heyho(x, y): (x + y) * 2 a = 4 b = 5 Z= heyhola,b) After you run this program, why is z not 187) Because the function arguments should be ab ("def heyhola b)") Because the function is missing the return keyword Because when we call the function we should write theyho x,y)" Because we should define and y-sinstead of " and "5-5 Because we do not definex and inside the function