code: def get_examples(
      mtype: str,
      as_scitype: str = None,
      return_lossy: bool = False,
      return_metadata: bool = False,
  ):
      """Retrieve a dict of examples for mtype `mtype`, scitype `as_scitype`.
  
      Parameters
      ----------
      mtype: str - name of the mtype for the example, a valid mtype string
          valid mtype strings, with explanation, are in datatypes.MTYPE_REGISTER
      as_scitype : str, optional - name of scitype of the example, a valid scitype string
          valid scitype strings, with explanation, are in datatypes.SCITYPE_REGISTER
          default = inferred from mtype of obj
      return_lossy: bool, optional, default=False
          whether to return second argument
      return_metadata: bool, optional, default=False
          whether to return third argument
  
      Returns
      -------
      fixtures: dict with integer keys, elements being
          fixture - example for mtype `mtype`, scitype `as_scitype`
          if return_lossy=True, elements are pairs with fixture and
          lossy: bool - whether the example is a lossy representation
          if return_metadata=True, elements are triples with fixture, lossy, and
          metadata: dict - metadata dict that would be returned by check_is_mtype
      """
      # if as_scitype is None, infer from mtype
      if as_scitype is None:
          as_scitype = mtype_to_scitype(mtype)
  
      # retrieve all keys that match the query
      exkeys = example_dict.keys()
      keys = [k for k in exkeys if k[0] == mtype and k[1] == as_scitype]
  
      # retrieve all fixtures that match the key
      fixtures = dict()
  
      for k in keys:
          if return_lossy:
              fixtures[k[2]] = (
                  example_dict.get(k),
                  example_dict_lossy.get(k),
              )
          elif return_metadata:
              fixtures[k[2]] = (
                  example_dict.get(k),
                  example_dict_lossy.get(k),
                  example_dict_metadata.get((k[1], k[2])),
              )
          else:
              fixtures[k[2]] = example_dict.get(k)
  
      return fixtures
  
imports: from sktime.datatypes._registry import mtype_to_scitype
  from sktime.datatypes._alignment import example_dict_Alignment
  from sktime.datatypes._hierarchical import example_dict_Hierarchical, example_dict_lossy_Hierarchical, example_dict_metadata_Hierarchical
  from sktime.datatypes._panel import example_dict_lossy_Panel, example_dict_metadata_Panel, example_dict_Panel
  from sktime.datatypes._proba import example_dict_lossy_Proba, example_dict_metadata_Proba, example_dict_Proba
  from sktime.datatypes._series import example_dict_lossy_Series, example_dict_metadata_Series, example_dict_Series
  from sktime.datatypes._table import example_dict_lossy_Table, example_dict_metadata_Table, example_dict_Table
label_desc: Use image node_id 1 for calling a global function with example usage: get_examples(mtype, as_scitype, return_lossy, return_metadata) and returns: fixtures