qobjects = [ { question: "Consider the following code:
import numpy as np
x = [2, 5, 5, 1]
y = [1, 4, 3, 1]
z = np.subtract(x, y)

What will be the result of z?", options: [ "[ 4 2 2 1]", "[ 3 9 8 2]", "[ 2 1 5 1]", "[ 1 1 2 0]" ], correct: 3 }, { fillintheblanks: "exercise_ufuncs_simple_arithmetic1.htm" }, { fillintheblanks: "exercise_ufuncs_simple_arithmetic2.htm" } ]