code: def load(obj, env=None, silent=True, key=None):
      
      global_env = obj.get("ENVVAR_PREFIX_FOR_DYNACONF")
      if global_env is False or global_env.upper() != "DYNACONF":
          load_from_env(IDENTIFIER + "_global", key, "DYNACONF", obj, silent)
  
      # Load the global env if exists and overwrite everything
      load_from_env(IDENTIFIER + "_global", key, global_env, obj, silent)
docs: Loads envvars with prefixes:
  
      `DYNACONF_` (default global) or `$(ENVVAR_PREFIX_FOR_DYNACONF)_`