檢查列表增量或減量在Python？

Question

檢查列表在python中增加或減少？

l1 = [1,2,34,5,56] 
l2 = [1,2,4,7,90] 
l3 = [60,50,4,3,0.1] 

我在python

是那裏的build in function檢查列表中增加或減少？

如

l1 =>not increment 
l2=>increment 
l2=>decrement 

Answer 1

看看這個問題：Python - How to check list monotonicity