code: def parse_values(values):
      values = ["%s" % value for value in values]
      if len(values) > 0:
          retstr = ", ".join(values) + ", "
      else:
          retstr = ""
      return retstr
  
file_path: nipype/nipype/interfaces/slicer/generate_classes.py
imports: import xml.dom.minidom
  import subprocess
  import os
  from shutil import rmtree
  import keyword
label_desc: Use image node_id 8 for calling a global function with example usage: parse_values(values) and returns: retstr