I have this Pandas series that contains lists of countries as following:
[United States of America]                                                     17851
[]                                                                              6288
[United Kingdom]                                                                2238
[France]                                                                        1654
[Japan]                                                                         1356
                                                                               ...  
[Canada, Switzerland, France]                                                      1
[Canada, Hungary, United Kingdom]                                                  1
[France, Germany, Italy, Romania, United Kingdom, United States of America]        1
[Germany, Russia, United Kingdom, United States of America]                        1
[Germany, Serbia]                                                                  1
Name: production_countries, Length: 2390, dtype: int64
I want to iterate over it and delete any element that has United States of America in it.
I tried:
for row in df.production_countries:
    if 'United States of America' in row:
        df.drop(row)
But it gives me the following keyerror:
KeyError: "['United States of America'] not found in axis"
