Amazon card, Data structure, search and sort Hashmap # HASH MAP implementation in python class Node : def __init__ (self, key, value) : self.key = key self.value = value self.next = None class HashMap : def __init__ (self) : self.store = [ None for _ in range( 16 )] def get (self, key) : index = hash(key) & 15 if self.store[index] is None : return None n = self.store[index] while True : if n.key == key: return n.value else : if n.next: ...