code: def time_copyto_dense(self):
      np.copyto(self.d, self.e, where=self.im)
  
imports: from .common import Benchmark, get_squares, get_squares_
  import numpy
  from io import SEEK_SET, StringIO, BytesIO
label_desc: Use image node_id 4 for calling the CopyTo obj's underlying member method code with example usage: obj.time_copyto_dense() without return types