今日充电

eq相等   ne、neq不相等,   gt大于, lt小于 gte、ge大于等于   lte、le 小于等于   not非   mod求模  

is [not] div by是否能被某数整除   is [not] even是否为偶数   is [not] even by $b即($a / $b) % 2 == 0   is [not] odd是否为奇   is not odd by $b即($a / $b) % 2 !


今日充电

 今日充电

 今日充电

 今日充电