I am trying to implement a basic hash table using a list of tuples. The code produce the desired output. Please help me improve my code as I feel there are a lot of while loops.
#global variables to keep track of the hash table count = 0 size = 1000 def hash_table(size): return [None] * size def hash_item(key, value): return (key,value) def hash_func(key): #simple hash function index = hash(key) % 1000 return index def insert_hash(table,key,value): index = hash_func(key) item = hash_item(key,value) global count global size if count == size: raise Exception("Hash table limit reached") if table[index] == None: table[index] = item else: collision_handler(table, index, item) count = count + 1 def print_hash(table,key): index = hash_func(key) while table[index] != key: #in case there is a collision: index = index + 1 print(table[index]) def delete_hash(table,key): index = hash_func(key) while table[index] != key: index = index + 1 table.pop(index) def collision_handler(table,index,item): #handling collisions using open addressing while table[index] != None: index = index + 1 table[index] = item a = hash_table(size) b = hash_func('1') insert_hash(a, '1','john') print_hash(a,'1') delete_hash(a,'1') insert_hash(a,'1','edward') print_hash(a,'1')
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