code: def is_decreasing(arr):
      """Returns true if the sequence is decreasing."""
      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 5 for calling a global function with example usage: is_decreasing(arr) and returns: all