manjitkumar

"""
In this python implementation of LRUCache,
We are using a hashmap `cache={}` to be able to retrieve data at O(1) and
using a Doubly Linked List to maintain the order of keys to know which one
are most recently used to least recently used as we move from head to tail.
"""


class Node:
   def __init__(self, key, value, next=None, prev=None) -> None:

manjitkumar

from rest_framework import serializers

class DynamicFieldsModelSerializer(serializers.ModelSerializer):
    '''
    A ModelSerializer that takes an additional `fields` argument that
    controls which fields should be displayed.
    '''

    def __init__(self, *args, **kwargs):
        super(DynamicFieldsModelSerializer, self).__init__(*args, **kwargs)