Uploading a new dictionary

You can add a new dictionary. The dictionary shall be in text, csv or tsv format. It must contain the following columns with headings: ['language', 'entry', 'main', 'second', 'label', 'dictionary', 'homonym'] If there are any lines with "Nan" in the columns: 'language', 'entry', 'main' or 'second', they should be removed from the file. Besides, you need to apply drop_duplicates or any other tool to remove the complete double lines, which have the same information in every column. It should contain list of lines with tabulation separated fields as follows:
Example of the data
languageentrymainsecondlabeldictionaryhomonym
Abazaмцырапустой порожнийсвободный незанятый1) прил. 2) перен.Адзинов Абазинско-русский словарь -