Block move terminal programm

# CC:Tweaked and Python 3
# Block move terminal programm
# Version 1.0 01.07.2021 00:45:00
# (c) 2021, MCAP-2020 (mcap_nikita & mcap_slipers)

import sys
from cc import term, commands

cmd = commands
out = term; out.clear(); out.setCursorPos(1,1)

# -------------------------------------------------------------

tmp_x, tmp_z = None, None
x, y, z = cmd.getBlockPosition()
for dx in -3, 3:
     for dz in -3, 3:
          info = cmd.getBlockInfo(x + dx, y - 1, z + dz)
          if info['name'] == 'minecraft:redstone_block':
               tmp_x = x + dx; tmp_z = z + dz
x = tmp_x; z = tmp_z
if (x == None) or (z == None):
     print("Starting point not found")
     sys.exit()
print("Starting point: %s, %s, %s" % (x, y, z))

# -------------------------------------------------------------

print("START")
log, move = '', ''
pos_x = x; pos_y = y; pos_z = z
new_x = x; new_y = y; new_z = z
min_x = x - 1; max_x = x + 1; min_y = y; max_y = y + 2; min_z = z - 1; max_z = z + 1
cmd.exec('fill %s %s %s %s %s %s minecraft:air'%(str(min_x), str(min_y), str(min_z), str(max_x), str(max_y), str(max_z)))
cmd.exec('setblock %s %s %s minecraft:concrete'%(str(x), str(y), str(z)))
while True:
     out.setCursorPos(1,3); out.clearLine()
     move = input("Move (f, b, l, r,  u, d), quit (q): ")
     if move == 'q':
          log = log + move
          break
     elif move == 'f':
          new_x = pos_x - 1
     elif move == 'b':
          new_x = pos_x + 1
     elif move == 'l':
          new_z = pos_z + 1
     elif move == 'r':
          new_z = pos_z - 1
     elif move == 'u':
          new_y = pos_y + 1
     elif move == 'd':
          new_y = pos_y - 1
     if (new_x >= min_x) and (new_x <= max_x) and (new_y >= min_y) and (new_y <= max_y) and (new_z >= min_z) and (new_z <= max_z):
          if (new_x != pos_x) or (new_y != pos_y) or (new_z != pos_z):
               cmd.exec('setblock %s %s %s minecraft:air'%(str(pos_x),str(pos_y),str(pos_z)))
               cmd.exec('setblock %s %s %s minecraft:concrete'%(str(new_x),str(new_y),str(new_z)))
               pos_x = new_x; pos_y = new_y; pos_z = new_z
               log = log + move + "-"
          else:
               new_x = pos_x; new_y = pos_y; new_z = pos_z
     else:
          new_x = pos_x; new_y = pos_y; new_z = pos_z
print("LOG: " + log)
print("END")
sys.exit()