code: def time_block_complicated(self, n):
      np.block(
          [
              [self.one_2d, self.two_2d],
              [self.three_2d],
              [self.four_1d],
              [self.five_0d, self.six_1d],
              [self.zero_2d],
          ]
      )
  
imports: from .common import Benchmark
  import numpy
label_desc: Use image node_id 4 for calling the Block obj's underlying member method code with example usage: obj.time_block_complicated(n) without return types