下面代码输的结果是() str1="k:1|k1:2|k2:3|k3:4," str_list=str1.split("|") d={} for l in str_list: key,value=l.split(":") d[key]=value print(d) A:[k:1,k1:2,k2:3,k3:4] B:{"k":"1","k1":"2","k2":"3","k3":"4"} C:["k":"1","k1":"2","k2":"3","k3":"4"] D:{k:1,k1:2,k2:3,k3:4}