def disk_usage(path, human=False):
command = ['<STR_LIT>', '<STR_LIT>', path]<EOL>if human:<EOL><INDENT>command.append('<STR_LIT>')<EOL><DEDENT>return subprocess.check_output(command).split()[<NUM_LIT:0>].decode('<STR_LIT:utf-8>')<EOL>
disk usage in bytes or human readable format (e.g. '2,1GB')