[Monotonic Array 连续性列表 ]Check if Python List is monotone increasing or decreasing #Python

monotonic_array.py

def increasing(A:List[int])->bool:
  return all(x<=y for x,y in zip(A,A[1::]))
    
def decreasing(A:List[int])->bool:
  return all(x>=y for x,y in zip(A,A[1::]))

#如果要检查是否是连续上升或下降，就用 or 把两个连起来
def isMonotonic(A: List[int]) -> bool:
  return self.increasing(A) or self.decreasing(A)