code: def format_scope_name(scope_name, prefix, suffix):
      """Add a predix and a suffix to a scope name."""
      if prefix != "":
          if not prefix[-1] == "/":
              prefix += "/"
      if suffix != "":
          if not suffix[0] == "/":
              suffix = "/" + suffix
      return prefix + scope_name + suffix
  
imports: from __future__ import division, print_function, absolute_import
  import six
  import string
  import random
  import numpy
  import tensorflow.compat.v1
  from tensorflow.python import pywrap_tensorflow
  import tflearn.variables
label_desc: Use image node_id 19 for calling a global function with example usage: format_scope_name(scope_name, prefix, suffix) and returns: unknown