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Python 3.10 is now generally available.

google.appengine.api.datastore.Put

Store one or more entities in the datastore.

The entities may be new or previously existing. For new entities, Put() will fill in the app id and key assigned by the datastore.

If the argument is a single Entity, a single Key will be returned. If the argument is a list of Entity, a list of Keys will be returned.

entities Entity or list of Entities
config Optional Configuration to use for this request, must be specified as a keyword argument.

Key or list of Keys

TransactionFailedError, if the Put could not be committed.