class Practice_Game: 

    def __init__(self): 
        self.vars = {}

    def environment(self, env):
        for key in env.keys(): 
            self.vars[key] = env[key]

    def add(self, key, var): 
        self.vars[key] = var
    
    def fetch(self, key):
        return self.vars[key]

    def fetch_all(self):
        return self.vars