Python

for x in range(-100,100):
for z in range(-100,100):
mc.setBlock(x,3,z,2)
print (z)

for x in range(0,20):
for y in range(4,10):
for z in range(0,20):
if(x==y):
mc.setBlock(x,y,z,128)
print (y)

for x in range(20,30):
for y in range(4,10):
for z in range(0,20):
if(x-20==y):
mc.setBlock(x,y,z,128)
print (y)