code: def cached(fn):
      @proxies(fn)
      def wrapped(self, *args):
          cache = self._DFA__cache(fn.__name__)
          try:
              return cache[args]
          except KeyError:
              return cache.setdefault(args, fn(self, *args))
  
      return wrapped
  
imports: import threading
  from collections import Counter, defaultdict, deque
  from math import inf
  from hypothesis.internal.reflection import proxies
label_desc: Use image node_id 1 for calling a global function with example usage: cached(fn) and returns: wrapped, cache, cache