Low Level Design, Object Oriented, Graph Data Structure, Hashmap, Interview Questions.
self.deleteNode(dstNode) if len(self.adj_list[node.uid]) == 0: self.adj_list.pop(node.uid) Finally we re-implement our Ecommerce class using Graph instead of hash maps. class Ecommerce: def __init__(self): self.graph = Graph() self.nodes = {} Add sellers and categories def addSeller(self,