human
Solve the following python programming problem given the following code:
@ staticmethod 
def register_icmp_type(* args) : 
    def _register_icmp_type(cls) : 
        for type_ in args : 
            icmp._ICMP_TYPES [type_] = cls 
return cls 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: args
assistant
#Here is a proper replacement for <MASK>.
def _register_icmp_type(