code: def rm(self, filename):
          
          command = """
              try:
                  import os
              except ImportError:
                  import uos as os
              os.remove('{0}')
          """.format(
              filename
          )
          self._pyboard.enter_raw_repl()
          try:
              out = self._pyboard.exec_(textwrap.dedent(command))
          except PyboardError as ex:
              message = ex.args[2].decode("utf-8")
              # Check if this is an OSError #2, i.e. file/directory doesn't exist
              # and rethrow it as something more descriptive.
              if message.find("OSError: [Errno 2] ENOENT") != -1:
                  raise RuntimeError("No such file/directory: {0}".format(filename))
              # Check for OSError #13, the directory isn't empty.
              if message.find("OSError: [Errno 13] EACCES") != -1:
                  raise RuntimeError("Directory is not empty: {0}".format(filename))
              else:
                  raise ex
          self._pyboard.exit_raw_repl()
docs: Remove the specified file or directory.