<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def instantiate(config):
 """ instantiate all registered vodka applications Args: config (dict or MungeConfig):
 configuration object """


    for handle, cfg in list(config["apps"].items()):
        if not cfg.get("enabled", True):
            continue
        app = get_application(handle)
        instances[app.handle] = app(cfg)