Notes tests, string, manipulation of text files and string manipulations

jjhgjhghjhjg

jjhgjhghjhjg

https://www.youtube.com/channel/UCnxwq2aGJRbjOo_MO54oaHA
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgyG714V_k7odQMrTz14AaABAg. 9h740K6COOA9iHOYYpaAbC
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgxuL6YCUckeUIh9hoh4AaABAg
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwGTEyefOX7msIh1wZ4AaABAg. 9h4sd6Vs4qE9h7G-bVm8_-
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=Ugw3nF0C04AGt73H1BB4AaABAg. 9h6VhNCM-DZ9h7EqbG23kg
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwGTEyefOX7msIh1wZ4AaABAg. 9h4sd6Vs4qE9h7KvJXmK8o
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=Ugw3nF0C04AGt73H1BB4AaABAg. 9h6VhNCM-DZ9h7E1gwg4Aq
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgywFtBEpkHDuK55r214AaABAg
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwviLabd7r_3KpP6wh4AaABAg. 9h5lFRmix1R9h79hNGvJbu
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwviLabd7r_3KpP6wh4AaABAg. 9h5lFRmix1R9h79YAfa24T
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwviLabd7r_3KpP6wh4AaABAg. 9h5lFRmix1R9h79M1SYH1E
https://www.youtube.com/watch?v=2oT4qrHmDMY&lc=UgwviLabd7r_3KpP6wh4AaABAg. 9h5lFRmix1R9h78SxhXTnR
https://www.youtube.com/channel/UCnxwq2aGJRbjOo_MO54oaHA

jjhgjhghjhjg