code: def todok(self, copy=False):
      if copy:
          return self.copy()
      return self
  
imports: import itertools
  import numpy
  from ._matrix import spmatrix
  from ._base import _spbase, sparray, issparse
  from ._index import IndexMixin
  from ._sputils import isdense, getdtype, isshape, isintlike, isscalarlike, upcast, upcast_scalar, check_shape
label_desc: Use image node_id 42 for calling the _dok_base obj's underlying member method code with example usage: obj.todok(copy) and returns: self, self