用python的for循环在steve面前创建一个高500块的泥土塔

# -*- coding: cp936 -*-
import mcpi.minecraft as minecraft
import mcpi.block as block
mc = minecraft.Minecraft.create()
pos = mc.player.getTilePos()
for a in range(500):#a是循环变量，a的自增控制循环代码块的重复执行，重复500次
mc.setBlock(pos.x+3,pos.y+a,pos.z,block.DIRT.id)#a的值从0到499