code: def import_code(mod_code, mod_name):
      
      mod_obj = imp.new_module(mod_name)
  
      mod_obj.__file__ = None
  
      exec_(mod_code, mod_obj.__dict__, mod_obj.__dict__)
  
      add_to_sys_modules(mod_name=mod_name, mod_obj=mod_obj)
  
      return mod_obj
docs: Create a module object by code.
      @param mod_code: the code that the module contains.
  
      @param mod_name: module name.