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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 put(self, key, value):
    '''Stores the object `value` named by `key`.
    Serializes values on the way in, and stores the serialized data into the
    ``child_datastore``.

    Args:
      key: Key naming `value`
      value: the object to store.
    '''

    value = self.serializedValue(value)
    self.child_datastore.put(key, value)