subprocess.getstatusoutput(cmd) Return (status, output) of executing cmd in a shell.

close() Prevents any more tasks from being submitted to the pool. Once all the tasks have been completed the worker processes

class subprocess.CompletedProcess The return value from run(), representing a process that has finished.

multiprocessing.Manager() Returns a started SyncManager object which can be used for sharing objects between processes

multiprocessing.connection.deliver_challenge(connection, authkey) Send a randomly generated message to the other end of the

stderr Stderr output of the child process if it was captured by run(). Otherwise, None.

get() Remove and return an item from the queue.

hStdError If dwFlags specifies STARTF_USESTDHANDLES, this attribute is the standard error handle for

recv_bytes([maxlength]) Return a complete message of byte data sent from the other end of the connection as a string. Blocks

send_bytes(buffer[, offset[, size]]) Send byte data from a bytes-like object as a complete