[WIP] gh-132067 Divide difflib into smaller files for better maintenance

[jurgenwigg]

Code changes that divides difflib into smaller, more maintainable files.

• Issue: Making difflib more maintainable with dividing it into smaller files #132067

[ghost]

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[bedevere-app]

Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

[bedevere-app]

Most changes to Python require a NEWS entry. Add one using the blurb_it web app or the blurb command-line tool.

If this change has little impact on Python users, wait for a maintainer to apply the skip news label instead.

[eendebakpt]

Tests are failing. One issue is that from difflib import get_close_matches does not work with your PR. Also check the comment I left on the corresponding issue.

[jurgenwigg]

Closing this PR due to discussion under the issue and on discourse.