[EuroPython 2011] Alex Martelli - 24 June 2011 in "Track Spaghetti",A completely misguided meme has long been going around: that Python
doesn't have, or need, any Design Patterns. This terrible meme may
spring from not realizing what the Gang Of Four state so plainly in
their historical "Design Patterns" book: which design patterns are
useful DOES depend on the programming language one targets - design is
NOT independent of implementation, as the epic-fail "Waterfall"
Methodology Pattern would suggest. What