python (3.12.0)
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c t d )$Add message and return assigned key.&Method must be implemented by subclassNotImplementedErrorr messages r" addz Mailbox.add* !"JKKr$ c t d )=Remove the keyed message; raise KeyError if it doesn't exist.r' r( r keys r" removezMailbox.remove. r- r$ c & | j | y N)r2 r0 s r" __delitem__zMailbox.__delitem__2 s Cr$ c F | j | y# t $ r Y yw xY wz'If the keyed message exists, remove it.N)r2 KeyErrorr0 s r" discardzMailbox.discard5 s% KK s c t d )>Replace the keyed message; raise KeyError if it doesn't exist.r' r( r r1 r+ s r" __setitem__zMailbox.__setitem__< r- r$ c H | j | S # t $ r |cY S w xY w)z9Return the keyed message, or default if it doesn't exist.) __getitem__r8 )r r1 defaults r" getz Mailbox.get@ s, ##C( ( N s !!c | j s| j | S t j | j | 5 }| j | cddd S # 1 sw Y yxY w)z=Return the keyed message; raise KeyError if it doesn't exist.N)r get_message
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s 4% 4 1414c 4 t | j S )z9Return a list of (key, message) tuples. Memory intensive.)rY re rV s r" itemsz
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