Mobile: Back after edit should go to the edit again?

Scenario A:

  • Open app on the mobile and go to the list of homework;
  • Click on create a new homework;
  • Edit page is appearing;
  • You fill up the form and click on "create homework";

  • Redirects me to the homework page (not the list of homework);

    Question: If I press back, should I go to the edit page OR the list of homework?

Scenario 2:

  • I'm on the list of homework page;
  • I click on one homework;
  • I go to the homework page (not the list of homework);
  • I click edit homework;
  • I go to the edit page;
  • I update and click "update homework";

  • Redirects me to the homework page (not the list of homework);

    Question: If I press back should I go to the edit homework OR to the list of homework?

This a web application, but will also run on a native app inside a web view, of course.

Thanks

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