build: Demo of no-setup Makefile (standardized virtualenv handling)#347

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timmc-edx wants to merge 2 commits intomasterfrom

timmc/demo-venv

Commits on Sep 22, 2023

build: Demo of no-setup Makefile (standardized virtualenv handling)
timmc-edx
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Commits on Sep 27, 2023

Move inclusion to top; use lower case for internal variables
timmc-edx
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