35     def __getitem__(self, key):  argument
41     def __setitem__(self, key, item): self.data[key] = item  argument
42     def __delitem__(self, key): del self.data[key]  argument
62     def has_key(self, key): return key in self.data  argument
91     def get(self, key, failobj=None):  argument
95     def setdefault(self, key, failobj=None):  argument
99     def pop(self, key, *args):  argument
103     def __contains__(self, key):  argument
132     def has_key(self, key):  argument
138     def __contains__(self, key):  argument
159     def setdefault(self, key, default=None):  argument
165     def pop(self, key, *args):  argument
199     def get(self, key, default=None):  argument