curses.putp(string) Equivalent to tputs(str, 1, putchar); emit the value of a specified terminfo capability for the current terminal. Note that the output of putp() always goes to standard output.

time.tzname A tuple of two strings: the first is the name of the local non-DST timezone, the second is the name of the local DST timezone. If no DST timezone is defined, the second string should not be used.

heapq.heapify(x) Transform list x into a heap, in-place, in linear time.

email.policy.strict Convenience instance. The same as default except that raise_on_defect is set to True. This allows any policy to be made strict by writing: somepolicy + policy.strict

operator.add(a, b) operator.__add__(a, b) Return a + b, for a and b numbers.

header_fetch_parse(name, value) If the value contains binary data, it is converted into a Header object using the unknown-8bit charset. Otherwise it is returned unmodified.

itertools.tee(iterable, n=2) Return n independent iterators from a single iterable. Roughly equivalent to: def tee(iterable, n=2): it = iter(iterable) deques = [collections.deque() for i in range(n)] def gen(mydeque): while True: if not mydeque: # when the local deque is empty try: newval = next(it) # fetch a new value and except StopIteration: return for d in

weakref.ProxyType The type object for proxies of objects which are not callable.

object.__dict__ A dictionary or other mapping object used to store an object’s (writable) attributes.

os.WTERMSIG(status) Return the signal which caused the process to exit. Availability: Unix.