docstr: Store ipython references in the __builtin__ namespace.
docstr_tok: ["Store","ipython","references","in","the","__builtin__","namespace","."]
code: def activate(self):
      """Store ipython references in the __builtin__ namespace."""
  
      add_builtin = self.add_builtin
      for name, func in iteritems(self.auto_builtins):
          add_builtin(name, func)
  
file_path: catboost/contrib/python/ipython/py2/IPython/core/builtin_trap.py
imports: from traitlets.config.configurable import Configurable
  from IPython.utils.py3compat import builtin_mod, iteritems
  from traitlets import Instance
label_desc: Use image node_id 6 for calling the BuiltinTrap obj's underlying member method code with example usage: obj.activate() without return types