C:\Users\PC\Downloads\python>python test.py
Exception in thread Thread-1:
Traceback (most recent call last):
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\threading.py", line 917, in _bootstrap_inner
    self.run()
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\threading.py", line 865, in run
    self._target(*self._args, **self._kwargs)
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 1238, in _readerthread
    buffer.append(fh.read())
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\encodings\cp1254.py", line 23, in decode
    return codecs.charmap_decode(input,self.errors,decoding_table)[0]
UnicodeDecodeError: 'charmap' codec can't decode byte 0x8d in position 1019: character maps to <undefined>

Traceback (most recent call last):
  File "test.py", line 3, in <module>
    result=subprocess.check_output("dir",shell=True)
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 395, in check_output
    **kwargs).stdout
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\site-packages\run\__init__.py", line 168, in stdout
    return std_output(self.process.communicate()[0])
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 939, in communicate
    stdout, stderr = self._communicate(input, endtime, timeout)
  File "C:\Users\PC\AppData\Local\Programs\Python\Python37-32\lib\subprocess.py", line 1288, in _communicate
    stdout = stdout[0]
IndexError: list index out of range