[Python] Run Python script to Extract file in different folder

I have trouble with my Python script. Currently, my script works to run the script which is file and myscript.py in the same folder. I want to run myscript.py to extract files in another folder.

topology

myscript.py

import os
import re

# Setup main paths.
myfiles = os.listdir()

pattern = re.compile(r"filesextract\d+")

for files in myfiles:
if(pattern.match(files) != None):
command = "tar -xzvf " + files
os.system(command)

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