For Python (mostly) along with Web Dev & Machine learning related stuff, you can check out `sentdex`[0]. Have went through some of his tutorials.
For tools, you can check Leveluptuts[1]
Those are the only two programming channels I follow :)
[0] https://www.youtube.com/user/sentdex [1] https://www.youtube.com/channel/UCyU5wkjgQYGRB0hIHMwm2Sg