(self, key, default=None)
return self._dict.get(sympify(key), default)
D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None.
D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None.
D . get ( k [ d ] ) - > D [ k ] if k in D else d . d defaults to None .
def get(self, key, default=None):
        '''D.get(k[,d]) -> D[k] if k in D, else d.  d defaults to None.'''
        return self._dict.get(sympify(key), default)
def get ( self , key , default = None ) : return self . _dict . get ( sympify ( key ) , default )