<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def add_and_matches(self, matcher, lhs, params, numq=1, flatten=None):
 """ Add AND conditions to match to `params`. :type matcher: str or callable :arg matcher: if `str`, `matcher.format` is used. :type lhs: str :arg lhs: the first argument to `matcher`. :type params: list :arg params: each element should be able to feed into sqlite '?'. :type numq: int :arg numq: number of parameters for each condition. :type flatten: None or callable :arg flatten: when `numq > 1`, it should return a list of length `numq * len(params)`. """

        params = self._adapt_params(params)
        qs = ['?'] * numq
        flatten = flatten or self._default_flatten(numq)
        expr = repeat(adapt_matcher(matcher)(lhs, *qs), len(params))
        self.conditions.extend(expr)
        self.params.extend(flatten(params))