Python certainly lets you change things quickly, because it does not let you automatically enforce any invariants; this is why it lets you get into such extraor

Python certainly lets you change things quickly, because it does not let you automatically enforce any invariants; this is why it lets you get into such extraordinary inconsistent states so easily! I personally could never imagine trying to make a jigsaw out of jelly because "it's v1 and I'll make v2 properly".