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Returns value with given key(s) in (possibly multi-level) dict.
tfma.utils.get_by_keys( data: Mapping[str, Any], keys:
tfma.types.MetricVariablesType, default_value=None, optional: bool = False ) -> Any
The keys represent multiple levels of indirection into the data. For example if 3 keys are passed then the data is expected to be a dict of dict of dict. For compatibily with data that uses prefixing to create separate the keys in a single dict, lookups will also be searched for under the keys separated by '/'. For example, the keys 'head1' and 'probabilities' could be stored in a a single dict as 'head1/probabilties'.
||If (non-optional) key is not found.|