<human>:  iterate an nest dict and return.
<bot>: Here is a Python program to iterate an nest dict and return a return value

import json

def _dict_iterate(d):
  """Iterate an nest dict and return."""
  for k, v in list(d.items()):
    yield k, v

# Enter the dictionary
d = {"a": 1, "b": 2}

# Calling the function
for k, v in _dict_iterate(d):
  print((k, v))

#Example Output
# ('a', 1)
# ('b', 2)

#Remember to inspect code for bugs.