operator.__concat__(a, b) Return a + b for a and b sequences.

regex.groupindex A dictionary mapping any symbolic group names defined by (?P<id>) to group numbers. The dictionary is empty if no symbolic groups were used in the pattern.

CookieJar.set_cookie_if_ok(cookie, request) Set a Cookie if policy says it’s OK to do so.

fileinput.lineno() Return the cumulative line number of the line that has just been read. Before the first line has been read, returns 0. After the last line of the last file has been read, returns the line number of that line.

Etop() Returns a value equal to Emax - prec + 1.

IMAP4.logout() Shutdown connection to server. Returns server BYE response.

curses.ascii.isblank(c) Checks for an ASCII whitespace character; space or horizontal tab.

email.utils.quote(str) Return a new string with backslashes in str replaced by two backslashes, and double quotes replaced by backslash-double quote.

opname human readable name for operation

POP3.stat() Get mailbox status. The result is a tuple of 2 integers: (message count, mailbox size).