Through "d.keys()" we can get an object composed of all the keys in the dictionary d.
举一反三
- We've looked _______ for the keys we lost. A: in all places B: at all places C: over all D: everywhere
- Which one of the following is not true about dictionary keys? ( ) A: Keys must be immutable B: Keys must be integers C: When duplicate keys encountered, the last assignment wins D: More than one key is not allowed
- Which descriptions are true about the Goldren Keys?( ) A: The Golden Keys have received professional training. B: You can recognize the Golden Keys by the keys on the lapels on their uniforms. C: The Golden Keys refers to an experienced concierge who stands behind the service booth in suit or tailcoat. D: The Golden Keysformed in France in October 1929 by Ferdinand Gillet.
- Which of the following keys should be stored in an archive even after expiration? A: Private authentication keys B: Public encryption keys C: Private signature keys D: Public verification keys
- In the key layering hierarchy, which of the following keys may be classified based on longer-term keys considerations? ___. A: key-encrypting keys B: session keys for single communications session C: keys established by key agreement D: keys established by key transport