Learn Data Structures in Python all the way from Built-in to User-Defined.
It's Beginner Friendly with intuition followed by code tutorials, So It's Easy to Understand and Visualise a Data Structure.
Solving Problems would be easier after learning the Data Structure as you have better intuition.
Course Design: (Intuition) + (Code walkthrough) + (Time-Complexity + Application of that Data Structure)
Data Structures Include:
OOP For understanding data structures
Doubly Linked Lists
Circular Linked Lists
Binary Search Trees + Traversals
Heaps + Heap sort
Graphs + Properties
Spanning Trees + MST
Prims + Kruskals Algorithms for MST
Tries (Keyword Trees)
Take Away Section.