Trial

def trial():

    a = []
    b = []

    for x in range(40):
        a.append([random.randrange(-1, 1, 0.1),random.randrange(-1, 1, 0.1),random.randrange(-1, 1, 0.1),random.randrange(-1, 1, 0.1)])
        print(a[x][0] + a[x][1] + a[x][2] + a[x][3])
        b.append([a[x], [math.asin(a[x][0] + a[x][1] + a[x][2] + a[x][3])]])

    print(b)