I kid you not. Google's actual official answer to this is... create another account![1][2][3]

Edit: Now that I have your attention:

PSA: Go create "Backup codes" for your Google Account in your 2-Step Verification settings.

[1]: https://support.google.com/accounts/troubleshooter/2402620?h...

[2]: https://support.google.com/accounts/answer/7682439

[3]: https://support.google.com/accounts/answer/7299973