Can any one explain

Question

Can any one explain about dictionary and hashtable

Answer 1

It's very hard to explain the dictionary and hashtable data structures completely in the comment section.
These are some links that can help you to understand dictionary and hashtable.
Dictionary -
https://docs.python.org/3/tutorial/datastructures.html#dictionaries
https://www.geeksforgeeks.org/python-dictionary/
Hashtable -
https://www.geeksforgeeks.org/hashing-data-structure/

Answer 2

hash table, dictionary, map, it are names for same structure where you can store (key, value) pair in one element. Key can has different type as value.
eg
(int num, String name)
(String english, String france)