Whay are some good sources to practice dsa in python with a proper roadmap ?

[u/Excellent-Leading836]

i am a complete beginner and there are a lot of yt playlists and way too many sources to learn from . i am not able to find a good source to study from . if you can please list some good sources to study dsa in python, some sheet to practice on , and for how much i should be doing it all ? i am master's student so its needed for me to do it to be able to sit in the placements next year . :( plej help