Get dev tool return value from outside

[chenzilong444]

When I do data calculations on kibana ，i find i need use dev tool ，beacause i need Calculate count data
for example :
"buckets": [
{
"key": "冲9.9得99",
"doc_count": 32
},
{
"key": "冲9.9得99再赠99币",
"doc_count": 22
},
{
"key": "冲19.9得199加送20币",
"doc_count": 21
},
i need “key” times "doc" i don't know how to do it so i copy the data
and now i use python to get and Calculate . how to Get dev tool return value from outside
i can't find the data on Web source code，