python - 'float' object has no attribute '__getitem__' in for loop -


so want extract gps coordinates column in pandas dataframe, single command line works perfect here, example, 6 can replaced other integers:

input: crimedata['geolocation'][6][-12:-1] output: '(30.42437, -91.051507'

once coord strings out of bulk string, can edit more precisely want, wrote loop extract gps coordinates 320904 lines of strings, 

lat_coord=[] long_coord=[] in range(0, 320904):     lat_coord.append(crimedata['geolocation'][i][-22:-13])     long_coord.append(crimedata['geolocation'][i][-12:-1])  print lat_coord, long_coord

and got error:

typeerror: 'float' object has no attribute '__getitem__'

it looks [i] causing trouble, don't know how fix it. i'd appreciate inputs. many thanks!

here structure of column contains strings want extract gps coordinnates from:

0         7234 airline hw\nbaton rouge, la\n(30.482565, ... 1         5900 peerless st\nbaton rouge, la\n(30.516849,... 2         10250 plaza americana dr\nbaton rouge, la 7081... 3         964 n 48th\nbaton rouge, la 70802\n(30.457107,... 4         5950 st gerard av\nbaton rouge, la 70805\n(30.... 5         11111 coursey bl\nbaton rouge, la 70816\n(30.4... 6         3121 s sherwood forest bl\nbaton rouge, la\n(3... 7         2520 plank rd\nbaton rouge, la 70805\n(30.4705... 8         4414 tupello st\nbaton rouge, la 70808\n(30.41... ..... 320904    1253 florida st\nbaton rouge, la 70802\n(30.44...  name: geolocation, dtype: object


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