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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` in `service`.

    Args:
      key: Key naming `value`.
      value: the object to store.
    '''
    key = self._service_key(key)
    self._service_ops['put'](key, value)