code: def base64_encode_array(a):
      # return the base64 encoded array
      return base64.b64encode(a)
  
file_path: imutils/imutils/encodings.py
imports: import numpy
  import base64
  import json
  import sys
label_desc: Use image node_id 3 for calling a global function with example usage: base64_encode_array(a) and returns: base64