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public text v1 · immutable#!/usr/bin/env pythonclass A: passcache = {}def memo(c): if not c in cache: cache[c] = c return cache[c]()print A()print A()print A()print A()#!/usr/bin/env pythonclass A: passcache = {}def memo(c): if not c in cache: cache[c] = c return cache[c]()print A()print A()print A()print A()