<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def parse(dsn, parse_class=ParseResult, **defaults):
 """ parse a dsn to parts similar to parseurl :param dsn: string, the dsn to parse :param parse_class: ParseResult, the class that will be used to hold parsed values :param **defaults: dict, any values you want to have defaults for if they aren't in the dsn :returns: ParseResult() tuple-like instance """

    r = parse_class(dsn, **defaults)
    return r