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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def http_error(self, url, fp, errcode, errmsg, headers, data=None):
 """Handle http errors. Derived class can override this, or provide specific handlers named http_error_DDD where DDD is the 3-digit error code."""

        # First check if there's a specific handler for this error
        name = 'http_error_%d' % errcode
        if hasattr(self, name):
            method = getattr(self, name)
            if data is None:
                result = method(url, fp, errcode, errmsg, headers)
            else:
                result = method(url, fp, errcode, errmsg, headers, data)
            if result: return result
        return self.http_error_default(url, fp, errcode, errmsg, headers)