python 删除列表中的字典元素

data={"data":[{"end_point": [-2.45, 5.04], "hotelid": "demo_one", "begin_point": [-4.37, 6.36], "name": "a5", "floor": ""},{"end_point": [-2.45, 5.04], "hotelid": "demo_one", "begin_point": [-4.37, 6.36], "name": "a2", "floor": ""}
,{"end_point": [-2.45, 5.04], "hotelid": "demo_one", "begin_point": [-4.37, 6.36], "name": "a3", "floor": ""}]}

print("before:\n\n",data,"\n\n")
temp=-
k=
for i in data['data']:
    if(i["name"]=="a3"):
        temp=k
        break
    k=k+
if(temp!=-):
    del data['data'][temp]

print("after:\n\n",data)