readline.add_history(line) Append line to the history buffer, as if it was the last line typed. This calls add_history() in the underlying library.

iteritems() items() Return an iterator over (key, message) pairs, where key is a key and message is a message representation, if called as iteritems() or return a list of such pairs if called as items(). The messages are represented as instances of the appropriate format-specific Message subclass unless a custom message factory was specified when the Mailbox instance was initialized.

os.WIFEXITED(status) Return True if the process exited using the exit(2) system call, otherwise return False. Availability: Unix.

count(x) Count the number of deque elements equal to x. New in version 3.2.

RequestHandlerClass The user-provided request handler class; an instance of this class is created for each request.

info() Return a formatted multi-line string with detailed information about the code object, like code_info().

Queue.empty() Return True if the queue is empty, False otherwise. If empty() returns True it doesn’t guarantee that a subsequent call to put() will not block. Similarly, if empty() returns False it doesn’t guarantee that a subsequent call to get() will not block.

encoding The name of the encoding that raised the error.

multiprocessing.Pipe([duplex]) Returns a pair (conn1, conn2) of Connection objects representing the ends of a pipe. If duplex is True (the default) then the pipe is bidirectional. If duplex is False then the pipe is unidirectional: conn1 can only be used for receiving messages and conn2 can only be used for sending messages.

operator.is_(a, b) Return a is b. Tests object identity.