python的dataframe通过query使用dict字典查询
示例
```
params = {"坐席姓名":"唐红成"}
query_string = ' and '.join(
[f'({key} == "{val}")' if type(val) == str else f'({key} == {val})' for key, val in params.items()]
)
df.query(query_string)
```
示例
```
params = {"坐席姓名":"唐红成"}
query_string = ' and '.join(
[f'({key} == "{val}")' if type(val) == str else f'({key} == {val})' for key, val in params.items()]
)
df.query(query_string)
```