You are given the following superclass. Do not modify this class Container (object): """Holds hashable objects. Objects may occur 0 or more times " " def init (self): """ Creates a new container with no objects in it. I.e., any object occurs 0 times in self. "" " self.vals = {} def insert (self, e): " " "assumes e is hashable Increases the number times e occurs in self by 1. "" " self.vals[e] += 1 self.vals[e] = 1 try: except: def str_(self): for i in sorted (self.vals.keys()) if self.vals[1] != 0: s += str ( i) +":"+str ( self.vals[1])+" " return s Write a class that implements the specifications below. Do not override any methods of Container. class Bag (Container): def remove (self, e): " " "assumes e is hashable If e occurs one or more times in self, reduces the number of times it occurs in self by 1. otherwise does nothing. " m # write code here