code: def unique_key(adict):
      # this obtains a unique key given a dictionary
      # currently it works by appending together n of the letters of the
      #   current keys and increasing n until a unique key is found
      # -- not particularly quick
      allkeys = list(adict.keys())
      done = False
      n = 1
      while not done:
          newkey = "".join([x[:n] for x in allkeys])
          if newkey in allkeys:
              n += 1
          else:
              done = True
      return newkey
  
file_path: numpy/numpy/distutils/conv_template.py
imports: import os
  import sys
  import re
label_desc: Use image node_id 9 for calling a global function with example usage: unique_key(adict) and returns: newkey