To switch to Python 3.11 using Poetry, you can use the following steps:

1. Make sure that Python 3.11 is installed on your system.
2. Open a terminal or command prompt and navigate to your project directory.
3. Run the following command to create a new virtual environment with Python 3.11:

   ```
   poetry env use 3.11
   ```

4. This will create a new virtual environment with Python 3.11 and activate it.

   ```
   poetry shell
   ```

5. Your shell should now be using the newly created virtual environment with Python 3.11 as the default interpreter.

Note: If you don't have Python 3.11 installed on your system, you may need to install it first before you can use it with Poetry.
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