Merging
Merge remote-tracking branch 'upstream/master'
Delete a mailroom2 from Master branch.
Session 6 files added with revisions.
Minor change to html_render.py
HTML render excerise conitinues.
Session6 work continues
Session 6 and 7 homework ongoing
More session 6 and 7 files ongoing
Updating Circle.py
Progress on Html_render.py
Html_render and files done.
Circle.py continues
Circles, all tests passed.
Created Test_Chamber directory for testing 4 homework files.
3 test files added, html render still to do.
Accepting some unknown minor change to Html render.
Corrections to html_render.py
File output test.
Closing files code added.