human
Give me a the Python program you requested given the following:
Complete the below
def collect(db):

    ''''Collects and prints stats about the given DB instance.'
    '''
assistant
#Here is the Python program you requested.
    ts = now()
    def printmetric(metric, value, tags=''):
        print ('mysql.%s    %d    %s    schema=%s%s' % (metric, ts, value, db.dbname, tags))
    has_innodb = False
    if db.isShowGlobalStatusSafe():
        for (metric, value) in db.query('SHOW    GLOBAL    STATUS'):
            try:
                if ('.' in value):
                    value = float(value)
                else:
                    value = int(value)
            except ValueError:
                continue
            metric = metric.lower()
            has_innodb = (has_innodb or metric.startswith('innodb'))
            printmetric(metric, value)
    if has_innodb:
        collectInnodbStatus(db)
    if (has_innodb and False):
        waits = {}
        ts = now()
        for (engine, mutex, status) in db.query('SHOW    ENGINE    INNODB    MUTEX'):
            if (not status.startswith('os_waits')):
                continue
            m = re.search('&(\\w+)(?:->(\\w+))?$', mutex)
            if (not m):
                continue
            (mutex, kind) = m.groups()
            if kind:
                mutex += ('.' + kind)
            wait_count = int(status.split('=', 1)[1])
            waits[mutex] = (waits.get(mutex, 0) + wait_count)
        for (mutex, wait_count) in waits.iteritems():
            printmetric('innodb.locks', wait_count, ('    mutex=' + mutex))
    ts = now()
    mysql_slave_status = db.query('SHOW    SLAVE    STATUS')
    if mysql_slave_status:
        slave_status = todict(db, mysql_slave_status[0])
        master_host = slave_status['master_host']
    else:
        master_host = None
    if (master_host and (master_host != 'None')):
        sbm = slave_status.get('seconds_behind_master')
        if isinstance(sbm, (int, long)):
            printmetric('slave.seconds_behind_master', sbm)
        printmetric('slave.bytes_executed', slave_status['exec_master_log_pos'])
        printmetric('slave.bytes_relayed', slave_status['read_master_log_pos'])
        printmetric('slave.thread_io_running',...