how to create eikon.cfg to be in the current working directory?

i run this code i was getting empty . []

ek.set_app_key(cfg['eikon']['app_id']) #set_app_id function being deprecated

---------------------------------------------------------------------------
KeyError                                  Traceback (most recent call last)
<ipython-input-4-eb162e0297c3> in <module>
----> 1 ek.set_app_key(cfg['eikon']['app_id']) #set_app_id function being deprecated

~\anaconda3\lib\configparser.py in __getitem__(self, key)
    958     def __getitem__(self, key):
    959         if key != self.default_section and not self.has_section(key):
--> 960             raise KeyError(key)
    961         return self._proxies[key]
    962 
KeyError: 'eikon'