[Python] Move between floors

I'm trying to make a sort of nethack inspired type game and I'm trying to figure out the moving up and down(I know the current code is probably terribly inefficient)(also sorry if this question is formatted weird this is my first ask)

import random
from pynput.keyboard import Key, Listener
import time
import os


clear = lambda: os.system('cls')
floor1 = ["_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_"]
floor2 = ["_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_"]
floor3 = ["_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_"]
floor4 = ["_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_"]
floor5 = ["_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_", "_"]
def allFloor():
print("".join(floor1))
print("".join(floor2))
print("".join(floor3))
print("".join(floor4))
print("".join(floor5))
char = ("0")



spaceAmount = len(floor1)
ranStart = random.randint(0, (spaceAmount - 1))

floor1[ranStart] = char

charLoc = floor1.index("0")
moveLeft = charLoc - 1
moveRight = charLoc + 1

allFloor()


def on_release(key):
if 'char' in dir(key):
charLoc = floor1.index("0")
moveLeft = charLoc - 1
moveRight = charLoc + 1
if moveRight >= spaceAmount:
moveRight = moveRight - 1
if key.char == "a" and moveLeft >= 0:
time.sleep(0.1)
floor1[charLoc] = "_"
floor1[moveLeft] = char
clear()
allFloor()
elif key.char == "d" and moveRight <= spaceAmount:
time.sleep(0.1)
floor1[charLoc] = "_"
floor1[moveRight] = char
clear()
allFloor()
if key == Key.esc:
# Stop listener
return False


with Listener(
on_release=on_release) as listener:
listener.join()


I was gonna originally just have it check if it's on a specific line and if so when pressing up or down it only goes to the line that is above or below that line

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