canonical() Return the canonical encoding of the argument. Currently, the encoding of a Decimal instance is always canonical, so this operation returns its argument unchanged.

Queue.put_nowait(item) Equivalent to put(item, False).

copy() Return a shallow copy of the underlying mapping.

grp.getgrall() Return a list of all available group entries, in arbitrary order.

ST.compile(filename='') Same as compilest(st, filename).

inspect.istraceback(object) Return true if the object is a traceback.

class ctypes.c_size_t Represents the C size_t datatype.

hosts()

class sqlite3.Cursor A Cursor instance has the following attributes and methods. execute(sql[, parameters]) Executes an SQL statement. The SQL statement may be parameterized (i. e. placeholders instead of SQL literals). The sqlite3 module supports two kinds of placeholders: question marks (qmark style) and named placeholders (named style). Here’s an example of both styles: import sqlite3 con = sqlite3.connect(":memory:") cur = con.cursor() cur.execute("create table people (name_last, age

Source code: Lib/__future__.py __future__ is a real module, and serves three purposes: To avoid confusing existing tools that analyze import statements and expect to find the modules they’re importing. To ensure that future statements run under releases prior to 2.1 at least yield runtime exceptions (the import of __future__ will fail, because there was no module of that name prior to 2.1). To document when incompatible changes were introduced, and when they will be — or were — made mandatory.