Item 20: for Loop Variable

a = 0
for x in range(3):
    a += 1

b = 0
for y in range(5):
    for z in range(8):
        b += 1

c = 0
for w in range(13):
    for w in range(23):
        c += 1

print(x, y, z, w)
print(a, b, c)