a = [2, 4, 6, 8]
b = [10, 20, 30, 40]
a[2] == 6 and b[-1] == 40
True
for i in range(0,len(a)):
print(a[i] * b[i])
20 80 180 320
c = []
for i in range(0,len(a)):
c.append(a[i] * b[i])
print(c)
[20, 80, 180, 320]
c[-1] == 320
True