| 
      O_APPEND (in module os)
O_ASYNC (in module os)
O_BINARY (in module os)
O_CLOEXEC (in module os)
O_CREAT (in module os)
O_DIRECT (in module os)
O_DIRECTORY (in module os)
O_DSYNC (in module os)
O_EVTONLY (in module os)
O_EXCL (in module os)
O_EXLOCK (in module os)
O_FSYNC (in module os)
O_NDELAY (in module os)
O_NOATIME (in module os)
O_NOCTTY (in module os)
O_NOFOLLOW (in module os)
O_NOFOLLOW_ANY (in module os)
O_NOINHERIT (in module os)
O_NONBLOCK (in module os)
O_PATH (in module os)
O_RANDOM (in module os)
O_RDONLY (in module os)
O_RDWR (in module os)
O_RSYNC (in module os)
O_SEQUENTIAL (in module os)
O_SHLOCK (in module os)
O_SHORT_LIVED (in module os)
O_SYMLINK (in module os)
O_SYNC (in module os)
O_TEMPORARY (in module os)
O_TEXT (in module os)
O_TMPFILE (in module os)
O_TRUNC (in module os)
O_WRONLY (in module os)
obj (memoryview attribute)
object, [1]
      
        asynchronous-generator
Boolean, [1]
built-in function, [1]
built-in method, [1]
bytearray, [1], [2], [3]
bytes, [1], [2]
callable, [1]
Capsule
class, [1], [2]
class instance, [1], [2]
code, [1], [2], [3]
complex
complex number, [1]
deallocation
dictionary, [1], [2], [3], [4], [5], [6], [7]
Ellipsis
file, [1]
finalization
floating-point, [1], [2]
frame
frozenset, [1]
function, [1], [2], [3], [4], [5]
generator, [1], [2]
GenericAlias
immutable, [1], [2]
immutable sequence
instance, [1], [2]
instancemethod
integer, [1], [2]
io.StringIO
list, [1], [2], [3], [4], [5], [6], [7], [8]
long integer
mapping, [1], [2], [3], [4], [5]
memoryview, [1]
method, [1], [2], [3], [4], [5]
module, [1], [2]
mutable, [1], [2]
mutable sequence
None, [1], [2]
NotImplemented
numeric, [1], [2], [3], [4]
range
sequence, [1], [2], [3], [4], [5], [6], [7], [8]
set, [1], [2], [3]
set type
slice
socket
string, [1], [2]
traceback, [1], [2], [3], [4]
tuple, [1], [2], [3], [4], [5], [6]
type, [1], [2]
Union
user-defined function, [1], [2]
user-defined method
object (built-in class)
      object.__match_args__ (built-in variable)
object.__slots__ (built-in variable)
    objects
      objobjargproc (C type)
objobjproc (C type)
    oct()
      
    octal
      octal literal
octdigits (in module string)
OCTOBER (in module calendar)
offset (SyntaxError attribute)
      offset_data (tarfile.TarInfo attribute)
OK (in module curses)
      ok_command() (tkinter.filedialog.LoadFileDialog method)
      ok_event() (tkinter.filedialog.FileDialog method)
OKCANCEL (in module tkinter.messagebox)
old_value (contextvars.Token attribute)
OleDLL (class in ctypes)
on_motion() (tkinter.dnd.DndHandler method)
on_release() (tkinter.dnd.DndHandler method)
onclick() (in module turtle)
ondrag() (in module turtle)
onecmd() (cmd.Cmd method)
onkey() (in module turtle)
onkeypress() (in module turtle)
onkeyrelease() (in module turtle)
onrelease() (in module turtle)
onscreenclick() (in module turtle)
ontimer() (in module turtle)
OP (in module token)
OP_ALL (in module ssl)
OP_CIPHER_SERVER_PREFERENCE (in module ssl)
OP_ENABLE_KTLS (in module ssl)
OP_ENABLE_MIDDLEBOX_COMPAT (in module ssl)
OP_IGNORE_UNEXPECTED_EOF (in module ssl)
OP_LEGACY_SERVER_CONNECT (in module ssl)
OP_NO_COMPRESSION (in module ssl)
OP_NO_RENEGOTIATION (in module ssl)
OP_NO_SSLv2 (in module ssl)
OP_NO_SSLv3 (in module ssl)
OP_NO_TICKET (in module ssl)
OP_NO_TLSv1 (in module ssl)
OP_NO_TLSv1_1 (in module ssl)
OP_NO_TLSv1_2 (in module ssl)
OP_NO_TLSv1_3 (in module ssl)
OP_SINGLE_DH_USE (in module ssl)
OP_SINGLE_ECDH_USE (in module ssl)
    open
      Open (class in tkinter.filedialog)
    open()
       | 
      open() (imaplib.IMAP4 method)
      open_binary() (in module importlib.resources)
open_code() (in module io)
open_connection() (in module asyncio)
open_flags (in module dbm.gnu)
open_new() (in module webbrowser)
      open_new_tab() (in module webbrowser)
      open_osfhandle() (in module msvcrt)
open_resource() (importlib.abc.ResourceReader method)
      open_text() (in module importlib.resources)
open_unix_connection() (in module asyncio)
open_unknown() (urllib.request.URLopener method)
open_urlresource() (in module test.support)
OpenerDirector (class in urllib.request)
OpenKey() (in module winreg)
OpenKeyEx() (in module winreg)
openlog() (in module syslog)
openpty() (in module os)
      
    OpenSSL
      OPENSSL_VERSION (in module ssl)
OPENSSL_VERSION_INFO (in module ssl)
OPENSSL_VERSION_NUMBER (in module ssl)
    operation
      OperationalError
    operations
      
    operations on
      
    operator
      
        !=, [1]
% (percent), [1]
& (ampersand), [1]
* (asterisk), [1]
**, [1]
+ (plus), [1], [2]
- (minus), [1], [2]
/ (slash), [1]
//, [1]
< (less), [1]
<<, [1]
<=, [1]
==, [1]
> (greater), [1]
>=, [1]
>>, [1]
@ (at)
^ (caret), [1]
| (vertical bar), [1]
~ (tilde), [1]
and, [1], [2]
comparison
in, [1], [2]
is, [1]
is not, [1]
module
not, [1]
not in, [1], [2]
or, [1], [2]
overloading
precedence
ternary
operators
opmap (in module dis)
opname (in module dis)
OPT
optim_args_from_interpreter_flags() (in module test.support)
optimize (sys.flags attribute)
optimize() (in module pickletools)
optimized scope
OPTIMIZED_BYTECODE_SUFFIXES (in module importlib.machinery)
Option (class in optparse)
Optional (in module typing)
OptionConflictError
OptionError
OptionGroup (class in optparse)
OptionParser (class in optparse)
Options (class in ssl)
options (doctest.Example attribute)
      options() (configparser.ConfigParser method)
OptionValueError
optionxform() (configparser.ConfigParser method)
    optparse
      
    or
      Or (class in ast)
or_() (in module operator)
    ord
      
    ord()
      
    order
      ordered_attributes (xml.parsers.expat.xmlparser attribute)
OrderedDict (class in collections)
      orig_argv (in module sys)
origin (importlib.machinery.ModuleSpec attribute)
origin_req_host (urllib.request.Request attribute)
origin_server (wsgiref.handlers.BaseHandler attribute)
    os
      
    os.path
      os_environ (wsgiref.handlers.BaseHandler attribute)
OSError
OUT_TO_DEFAULT (in module msvcrt)
OUT_TO_MSGBOX (in module msvcrt)
OUT_TO_STDERR (in module msvcrt)
    outfile
      output
      output (subprocess.CalledProcessError attribute)
      output() (http.cookies.BaseCookie method)
      output_charset (email.charset.Charset attribute)
output_codec (email.charset.Charset attribute)
output_difference() (doctest.OutputChecker method)
OutputChecker (class in doctest)
OutputString() (http.cookies.Morsel method)
OutsideDestinationError
Overflow (class in decimal)
OverflowError
      overlap() (statistics.NormalDist method)
overlaps() (ipaddress.IPv4Network method)
      overlay() (curses.window method)
overload() (in module typing)
    overloading
      override() (in module typing)
overwrite() (curses.window method)
owner() (pathlib.Path method)
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