<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def match_attributes(self, el, attributes):
 """Match attributes."""


        match = True
        if attributes:
            for a in attributes:
                value = self.match_attribute_name(el, a.attribute, a.prefix)
                pattern = a.xml_type_pattern if self.is_xml and a.xml_type_pattern else a.pattern
                if isinstance(value, list):
                    value = ' '.join(value)
                if value is None:
                    match = False
                    break
                elif pattern is None:
                    continue
                elif pattern.match(value) is None:
                    match = False
                    break
        return match