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一般来说，我是一个新手，更不用说Python了。
在学习了一些教程之后，我决定尝试制作自己的简单Map导航系统，借鉴了我所知道的古老的MUD游戏（如Achaea）的工作原理。它工作正常，但我不知道它会有多健壮或可扩展性。
此处代码：

def r0_0():
  print("You are in room 0,0")
  while True:
    a = input("You can move North or East.\n>")
    if a == "n":
      r1_0()
    elif a == "e":
      r0_1()
    else:
      print("You can't go that way.")

def r0_1():
  print("You are in room 0,1")
  while True:
    a = input("You can move North or West.\n>")
    if a == "n":
      r1_1()
    elif a == "w":
      r0_0()
    else:
      print("You can't go that way.")

def r1_0():
  print("You are in room 1,0")
  while True:
    a = input("You can move South or East.\n>")
    if a == "s":
      r0_0()
    elif a == "e":
      r1_1()
    else:
      print("You can't go that way.")

def r1_1():
  print("You are in room 1,1")
  while True:
    a = input("You can move South, West, Up, or Down.\n>")
    if a == "s":
      r0_1()
    elif a == "w":
      r1_0()
    elif a == "u":
      r1_1_1()
    elif a == "d":
      r1_1_b1()
    else:
      print("You can't go that way.")

def r1_1_1():
  print("You are in room 1,1,1")
  a = input("You can move Down.\n>")
  if a == "d":
    r1_1()
  else:
    print("You can't go that way.")

def r1_1_b1():
  print("You are in room 1,1,-1")
  a = input("You can move Up.\n>")
  if a == "u":
    r1_1()
  else:
    print("You can't go that way.")

    
r0_0()

我主要是在寻找如何改进这个系统的反馈，或者它是否可靠。我应该继续使用这个系统，还是它以后会引起问题？