Traceback (most recent call last):
  File "/home/dan/scripts/python/folder_remover.py", line 12, in <module>
    call(["cd", new_dir])
  File "/usr/lib/python3.3/subprocess.py", line 523, in call
    with Popen(*popenargs, **kwargs) as p:
  File "/usr/lib/python3.3/subprocess.py", line 824, in __init__
    restore_signals, start_new_session)
  File "/usr/lib/python3.3/subprocess.py", line 1448, in _execute_child
    raise child_exception_type(errno_num, err_msg)
FileNotFoundError: [Errno 2] No such file or directory: 'cd'