from lru_cache import LRUCache
import time
'''
create an instance of LRUCache object, insert some values, retrieve some values
and display the cached items.
'''
# An instance of LRUCache object with size = 5 and expiration time of 10 s.
cache = LRUCache(5, 10)
cache.set_item('A', 5)
cache.set_item('B', 3)
cache.set_item('C', 4)
cache.set_item('D', 1)
cache.get_item('A')
print(cache.display())
cache.set_item('A', 2)
cache.set_item('B', 0)
cache.set_item('E', 2)
cache.set_item('F', 3)
cache.get_item('A')
print(cache.display())
cache.set_item('B', 3)
cache.set_item('C', 4)
cache.set_item('D', 1)
print(cache.display())
# To see the time expiration
time.sleep(10)
cache.set_item('D', 10)
print(cache.display())
