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Add animation RemoveTextLetterByLetter
Overview: What does this pull request change?
Added animation RemoveTextLetterByLetter
Motivation and Explanation: Why and how do your changes improve the library?
Before you could not remove the text letter by letter even using this:
AddTextLetterByLetter(t8, rate_func=there_and_back)
Now the above works, or something like following will also work
RemoveTextLetterByLetter(t8, rate_func=rush_from)
https://user-images.githubusercontent.com/43041139/179393852-350b255e-485e-430c-8b51-8160d6ae0e47.mp4
Links to added or changed documentation pages
Further Information and Comments
Reviewer Checklist
- [ ] The PR title is descriptive enough for the changelog, and the PR is labeled correctly
- [ ] If applicable: newly added non-private functions and classes have a docstring including a short summary and a PARAMETERS section
- [ ] If applicable: newly added functions and classes are tested