code: def is_nonincreasing(arr):
      """Returns true if the sequence is non-increasing."""
      return all([x >= y for x, y in zip(arr, arr[1:])])
  
file_path: dragonfly/dragonfly/utils/ancillary_utils.py
imports: import numpy
label_desc: Use image node_id 3 for calling a global function with example usage: is_nonincreasing(arr) and returns: all