code: def read_json(file_name):
      print(f"Loading {file_name}...")
      is_exist = os.path.exists(file_name)
      if is_exist:
          with open(file_name, "r") as readfile:
              data = json.load(readfile)
          return data
      else:
          print(f"{file_name} is not exist")
          return {}
  
imports: import json
  import pickle
  import os.path
label_desc: Use image node_id 1 for calling a global function with example usage: read_json(file_name) and returns: data, dict