class_docstr: description of class 
class_docstr_tok: ["description","of","class"]
docstr: description of function
docstr_tok: ["description","of","function"]
code: def C1():
      """description of function"""
  
imports: import argparse
  import time
  import numpy
  import tensorflow
label_desc: Use image node_id 1 for calling the C obj's underlying member method code with example usage: obj.C1() without return types