Continue markdown numbered list across cells

* git practice instructions may include cells in between
* Is continually increasing the numbering possible? Otherwise adding or deleting an instruction can be too time consuming

Start by locating the git practice instructions in the Jupyter notebooks and checking how numbered Markdown lists are split across cells. Determine whether numbering can continue across intervening cells, then verify by adding or deleting an instruction and confirming that subsequent numbering remains correct.

Rédigé par le modèle d'indexation à partir du texte de l'issue.