Explode a TNT block

mcpi_tnt

import minecraft
import time

mc = minecraft.Minecraft.create();

while True:
        hits = mc.events.pollBlockHits()
        for hit in hits:
                block = mc.getBlockWithData(hit.pos.x, hit.pos.y, hit.pos.z);
                block.data = (block.data + 1) & 0xf;
                mc.setBlock(hit.pos.x, hit.pos.y, hit.pos.z, block.id, block.data)
                mc.postToChat("Block data is now " + str(block.data))
        time.sleep(0.1)