code: def run(self):
          
          run_command = (
              settings.project_customization.runfile.read_text().split()
          )
          chmod_string = (
              "chmod +x "
              + settings.project_customization.runfile.absolute().as_posix()
          )
          subprocess.run(chmod_string.split())
          subprocess.run(
              run_command, stdin=sys.stdin, stdout=sys.stdout, stderr=sys.stderr
          )
docs: Usage:
            containment run