human
Solve the following python programming problem given the following code:
def handleAttributes(text, parent) : 
    'Set values of an element based on attribute definitions ({@id=123}).' 
    def attributeCallback(match) : 
        parent.set (match.group (1), match.group (2).replace ('
', ' ')) 
return ATTR_RE.sub (<MASK>, text) 
    
    Given the code above, what is a proper replacement for <MASK>? Choose among: text, parent
assistant
#Here is a proper replacement for <MASK>.
def attributeCallback(