gistfile1.txt

# DROPPING BLOCKS AS YOU WALK
from mcpi.minecraft import Minecraft
from time import sleep

mc = Minecraft.create()

flower = 38

while True:
    x, y, z = mc.player.getPos()
    mc.setBlock(x, y, z, flower)
    sleep(0.1)

gistfile2.txt

# PLAN A FLOWER IF WE'RE STANDING INTO GRASS
if block_beneath == grass:
    mc.setBlock(x, y, z, flower)
else:
    mc.setBlock(x, y-1, z, grass)

gistfile3.txt

# FLOWING LAVA
from mcpi.minecraft import Minecraft
from time import sleep

mc = Minecraft.create()

x, y, z = mc.player.getPos()

lava = 10
water = 8
air = 0

mc.setBlock(x+3, y+3, z, lava)
sleep(20)
mc.setBlock(x+3,y+5, z, water)
sleep(4)
mc.setBlock(x+3, y+5, z, air)

minecraft.py

from mcpi.minecraft import Minecraft

mc = Minecraft.create()

mc.postToChat("Hello world")

pos = mc.player.getPos()
x, y, z = mc.player.getPos()
mc.player.setPos(x, y+100, z) # teleporting... jump
#set block
mc.setBlock(x+1, y, z, 1)
# Air:   0
# Block: 1
# Grass: 2
# Dirt:  3
mc.setBlock(x+1, y, z, 2)

from mcpi import block
mc.setBlock(x+3, y, z, block.STONE.id)
"""
WOOD_PLANKS
WATER_STATIONARY
GOLD_ORE
GOLD_BLOCK
DIAMOND_BLOCK
NETHER_REACTOR_CORE
"""
wool = 35
mc.setBlock(x, y, z, wool, 1)
wool = 35
mc.setBlock(x, y+1, z, wool, 31)

tnt = 46
mc.setBlock(x, y, z, tnt, 1)

# Multiple blocks
stone = 1
x, y, z = mc.player.getPos()
mc.setBlocks(x+1, y+1, z+1, x+11, y+11, z+11, stone)

tnt = 46
mc.setBlocks(x+1, y+1, z+1, x+11, y+11, z+11, tnt, 1)