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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def zip_dict(*dicts):
 """Iterate over items of dictionaries grouped by their keys."""

  for key in set(itertools.chain(*dicts)):  # set merge all keys
    # Will raise KeyError if the dict don't have the same keys
    yield key, tuple(d[key] for d in dicts)