os.pwrite(fd, str, offset) Write bytestring to a file descriptor, fd, from offset, leaving the file offset unchanged. Availability: Unix. New in version 3.3.

urllib.parse.unquote_plus(string, encoding='utf-8', errors='replace') Like unquote(), but also replace plus signs by spaces, as required for unquoting HTML form values. string must be a str. Example: unquote_plus('/El+Ni%C3%B1o/') yields '/El Niño/'.

importlib.machinery.all_suffixes() Returns a combined list of strings representing all file suffixes for modules recognized by the standard import machinery. This is a helper for code which simply needs to know if a filesystem path potentially refers to a module without needing any details on the kind of module (for example, inspect.getmodulename()). New in version 3.3.

lock() unlock() Three locking mechanisms are used—dot locking and, if available, the flock() and lockf() system calls. For MH mailboxes, locking the mailbox means locking the .mh_sequences file and, only for the duration of any operations that affect them, locking individual message files.

divide(x, y) Return x divided by y.

class tkinter.tix.Form The Form geometry manager based on attachment rules for all Tk widgets.

class ctypes.c_byte Represents the C signed char datatype, and interprets the value as small integer. The constructor accepts an optional integer initializer; no overflow checking is done.

PyDLL._name The name of the library passed in the constructor.

exception test.support.TestFailed Exception to be raised when a test fails. This is deprecated in favor of unittest-based tests and unittest.TestCase‘s assertion methods.

charset() Return the “protected” _charset variable, which is the encoding of the message catalog file.