code: def for_defines_iterate(n, fn):
      s = 0
      for i in fn(n):
          s = s * 10 + i
      return i, s
  
imports: import itertools
  from absl.testing import parameterized
  import tensorflow
  from tensorflow.python.autograph.tests import reference_test_base
label_desc: Use image node_id 10 for calling a global function with example usage: for_defines_iterate(n, fn) and returns: i,  s