code: def main(x):
      """main function."""
      return syn_cnn_2(x)
  
file_path: dragonfly/examples/synthetic/syn_cnn_2/syn_cnn_2.py
imports: import numpy
  from dragonfly.nn.syn_nn_functions import syn_func1_common
  from synthetic.park2_4.park2_4 import sub_park_1, sub_park_2, sub_park_3, sub_park_4
label_desc: Use image node_id 6 for calling a global function with example usage: main(x) and returns: syn_cnn_2