Podstawy przetwarzania tekstu

https://colab.research.google.com/drive/1ZGpZ3wIX4kMwmgSeDyVhMjaN6vmklo4B?usp=sharing
https://colab.research.google.com/drive/1IfDN6yyqSy-z1mucTf87upL_2DeONxR8?usp=sharing