dl = [
{
"viewTimes": 236,
"topTimes": 49,
"stepsNum": 76,
"collTimes": 321
},
{
"viewTimes": 236,
"topTimes": 47,
"stepsNum": 58,
"collTimes": 344
},
{
"viewTimes": 238,
"topTimes": 53,
"stepsNum": 11,
"collTimes": 321
},
{
"viewTimes": 240,
"topTimes": 31,
"stepsNum": 39,
"collTimes": 344
},
{
"viewTimes": 240,
"topTimes": 38,
"stepsNum": 13,
"collTimes": 200
}]
我想对上面的列表里面的字典进行排序,先按viewTimes降序排列,再按stepsNum进行升序排列