the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
      same "printed page" as the copyright notice for easier
      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

      the brackets!)  The text should be enclosed in the appropriate
      comment syntax for the file format. We also recommend that a
      file or class name and description of purpose be included on the
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      identification within third-party archives.

   Copyright [yyyy] [name of copyright owner]

   Licensed under the Apache License, Version 2.0 (the "License");

Например, у вас есть файл `main.py`:

```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip

Второй аргумент <a href=«https://docs.python.org/3.8/library/os.html#os.getenv» class=«external-link» target=«_blank»>`os.getenv()`</a> - это возвращаемое по умолчанию значение.

success.changed_password=Changed your password.
success.started_data_update=Started a data update process.
success.reindex_started=Started re-indexing.
success.bulk_process_started=Started a bulk process.
success.print_thread_dump=Printed a thread dump to a log file.
success.install_plugin=Installing plugin {0}.
success.delete_plugin=Deleting plugin {0}.
success.upload_file_to_storage=Uploaded {0}.
success.sso_logout=You have been logged out.

success.changed_password=Changed your password.
success.started_data_update=Started a data update process.
success.reindex_started=Started re-indexing.
success.bulk_process_started=Started a bulk process.
success.print_thread_dump=Printed a thread dump to a log file.
success.install_plugin=Installing plugin {0}.
success.delete_plugin=Deleting plugin {0}.
success.upload_file_to_storage=Uploaded {0}.
success.sso_logout=You have been logged out.

{* ../../docs_src/handling_errors/tutorial006.py hl[2:5,15,21] *}

Sie könnten zum Beispiel eine Datei `main.py` haben mit:

```Python hl_lines="3"
import os

name = os.getenv("MY_NAME", "World")
print(f"Hello {name} from Python")
```

/// tip | Tipp

             * for whatever reason. I copy over the uid here so it appears correct
             * in logging output. Logging of andx segments of messages inadvertantly
             * print header information because of the way toString always makes a
             * super.toString() call(see toString() at the end of all smbs classes).
             */

            andx.uid = uid;