Python: Check whether a specified list is sorted or not using lambda
Python Lambda: Exercise-35 with Solution
Write a Python program to check whether a specified list is sorted or not using lambda.
Python Code :
def is_sort_list(nums, key=lambda x: x): for i, e in enumerate(nums[1:]): if key(e) < key(nums[i]): return False return True nums1 = [1,2,4,6,8,10,12,14,16,17] print ("Original list:") print(nums1) print("\nIs the said list is sorted!") print(is_sort_list(nums1)) nums2 = [2,3,8,4,7,9,8,2,6,5,1,6,1,2,3,4,6,9,1,2] print ("\nOriginal list:") print(nums1) print("\nIs the said list is sorted!") print(is_sort_list(nums2))
Original list: [1, 2, 4, 6, 8, 10, 12, 14, 16, 17] Is the said list is sorted! True Original list: [1, 2, 4, 6, 8, 10, 12, 14, 16, 17] Is the said list is sorted! False
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Python: Cache results with decorators
There is a great way to cache functions with decorators in Python. Caching will help save time and precious resources when there is an expensive function at hand.
Implementation is easy, just import lru_cache from functools library and decorate your function using @lru_cache.
from functools import lru_cache @lru_cache(maxsize=None) def fibo(a): if a <= 1: return a else: return fibo(a-1) + fibo(a-2) for i in range(20): print(fibo(i), end="|") print("\n\n", fibo.cache_info())
0|1|1|2|3|5|8|13|21|34|55|89|144|233|377|610|987|1597|2584|4181| CacheInfo(hits=36, misses=20, maxsize=None, currsize=20)
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