human
Solve the following python programming problem given the following code:
def build_list_type_validator(item_validator) : 
    'Return a function which validates that the value is a list of items
    which are validated using item_validator.
    ' 
    def validate_list_of_type(value) : 
        return [item_validator (item) for item in validate_list (value)] 
return <MASK> 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: item_validator
assistant
#Here is a proper replacement for <MASK>.
def validate_list_of_type(