code: def npmax(array):
      arrayindex = array.argmax(1)
      arrayvalue = array.max(1)
      i = arrayvalue.argmax()
      j = arrayindex[i]
      return i, j
  
file_path: carefree-learn/cflearn/api/cv/third_party/openpose/util.py
imports: import math
  import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: npmax(array) and returns: i,  j