code: def run_constructors():
      for key, module_name in __res.iter_keys(b"py/constructors/"):
          import importlib
  
          module = importlib.import_module(module_name.decode())
          init_func = getattr(module, __res.find(key).decode())
          init_func()
  
imports: import sys
  import __res
label_desc: Use image node_id 3 for calling a global function with example usage: run_constructors() without return types