def check_for_sellable_items(self):
        for item in self.player_inventory:
            if item in self.sellable_items:
                return True
        else:
            return False
A set of all the instances currently in the Module.
dataset/ETHPy150Open justinmeister/The-Stolen-Crown-RPG/data/shopgui.py/Gui.check_for_sellable_items--crossover with--dataset/ETHPy150Open GoogleCloudPlatform/python-compat-runtime/appengine-compat/exported_appengine_sdk/google/appengine/tools/devappserver2/module.py/BasicScalingModule.instances