| 
      
  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_EXCL (in module os)
  O_EXLOCK (in module os)
  O_NDELAY (in module os)
  O_NOATIME (in module os)
  O_NOCTTY (in module os)
  O_NOFOLLOW (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_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]
  
        
  Boolean, [1]
  Capsule
  Ellipsis
  None, [1], [2]
  NotImplemented
  built-in function, [1]
  built-in method, [1]
  bytearray, [1], [2], [3]
  bytes, [1], [2]
  callable, [1]
  class, [1], [2]
  class instance, [1], [2]
  code, [1], [2], [3]
  complex
  complex number, [1]
  deallocation
  dictionary, [1], [2], [3], [4], [5], [6], [7]
  file, [1], [2]
  finalization
  floating point, [1], [2]
  frame
  frozenset, [1]
  function, [1], [2], [3], [4], [5]
  generator, [1], [2]
  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
  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]
  user-defined function, [1], [2]
  user-defined method
  object (UnicodeError attribute)
  object() (built-in function)
  object.__slots__ (built-in variable)
  object_filenames() (distutils.ccompiler.CCompiler method)
  
    objects
  
        
  comparing
  flattening
  marshalling
  persistent
  pickling
  serializing
  obufcount() (ossaudiodev.oss_audio_device method)
  obuffree() (ossaudiodev.oss_audio_device method)
  oct() (built-in function)
  
    octal
  
        
  literals
  octal literal
  octdigits (in module string)
  offset (xml.parsers.expat.ExpatError attribute)
  OK (in module curses)
  OleDLL (class in ctypes)
  onclick() (in module turtle), [1]
  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_NO_COMPRESSION (in module ssl)
  OP_NO_SSLv2 (in module ssl)
  OP_NO_SSLv3 (in module ssl)
  OP_NO_TLSv1 (in module ssl)
  OP_NO_TLSv1_1 (in module ssl)
  OP_NO_TLSv1_2 (in module ssl)
  OP_SINGLE_DH_USE (in module ssl)
  OP_SINGLE_ECDH_USE (in module ssl)
  
    open
  
        
  built-in function, [1]
  open() (built-in function)
  
        
  (distutils.text_file.TextFile method)
  (imaplib.IMAP4 method)
  (in module aifc)
  (in module bz2)
  (in module codecs)
  (in module dbm)
  (in module dbm.dumb)
  (in module dbm.gnu)
  (in module dbm.ndbm)
  (in module gzip)
  (in module io)
  (in module lzma)
  (in module os)
  (in module ossaudiodev)
  (in module shelve)
  (in module sunau)
  (in module tarfile)
  (in module tokenize)
  (in module wave)
  (in module webbrowser)
  (pathlib.Path method)
  (pipes.Template method)
  (tarfile.TarFile class method)
  (telnetlib.Telnet method)
  (urllib.request.OpenerDirector method)
  (urllib.request.URLopener method)
  (webbrowser.controller method)
  (zipfile.ZipFile method)
  open_connection() (in module asyncio)
   | 
      
  open_new() (in module webbrowser)
  
        
  (webbrowser.controller method)
  open_new_tab() (in module webbrowser)
  
        
  (webbrowser.controller method)
  open_osfhandle() (in module msvcrt)
  open_unix_connection() (in module asyncio)
  open_unknown() (urllib.request.URLopener method)
  OpenDatabase() (in module msilib)
  OpenerDirector (class in urllib.request)
  openfp() (in module sunau)
  
        
  (in module wave)
  OpenKey() (in module winreg)
  OpenKeyEx() (in module winreg)
  openlog() (in module syslog)
  openmixer() (in module ossaudiodev)
  openpty() (in module os)
  
        
  (in module pty)
  
    OpenSSL
  
        
  (use in module hashlib)
  (use in module ssl)
  OPENSSL_VERSION (in module ssl)
  OPENSSL_VERSION_INFO (in module ssl)
  OPENSSL_VERSION_NUMBER (in module ssl)
  OpenView() (msilib.Database method)
  
    operation
  
        
  Boolean
  binary arithmetic
  binary bitwise
  concatenation
  null, [1]
  repetition
  shifting
  slice
  subscript
  unary arithmetic
  unary bitwise
  
    operations
  
        
  Boolean, [1]
  bitwise
  masking
  shifting
  
    operations on
  
        
  dictionary type
  integer types
  list type
  mapping types
  numeric types
  sequence types, [1]
  
    operator
  
        
  !=
  %
  &
  *
  **
  +
  -
  /
  //
  <
  <<
  <=
  ==
  >
  >=
  >>
  ^
  and, [1], [2]
  comparison
  in, [1], [2]
  is, [1]
  is not, [1]
  not, [1]
  not in, [1], [2]
  or, [1], [2]
  overloading
  precedence
  ternary
  operator (2to3 fixer)
  
        
  (module)
  operators
  opmap (in module dis)
  opname (in module dis)
  optimize() (in module pickletools)
  OPTIMIZED_BYTECODE_SUFFIXES (in module importlib.machinery)
  OptionGroup (class in optparse)
  OptionMenu (class in tkinter.tix)
  OptionParser (class in optparse)
  options (doctest.Example attribute)
  
        
  (ssl.SSLContext attribute)
  options() (configparser.ConfigParser method)
  optionxform() (configparser.ConfigParser method)
  
        
  (in module configparser)
  optparse (module)
  
    or
  
        
  bitwise
  exclusive
  inclusive
  operator, [1], [2]
  or_() (in module operator)
  
    ord
  
        
  built-in function
  ord() (built-in function)
  
    order
  
        
  evaluation
  ordered_attributes (xml.parsers.expat.xmlparser attribute)
  OrderedDict (class in collections)
  origin (importlib.machinery.ModuleSpec attribute)
  origin_req_host (urllib.request.Request attribute)
  origin_server (wsgiref.handlers.BaseHandler attribute)
  
    os
  
        
  module
  os (module)
  os.path (module)
  os_environ (wsgiref.handlers.BaseHandler attribute)
  OSError
  ossaudiodev (module)
  OSSAudioError
  output
  
        
  standard
  output (subprocess.CalledProcessError attribute)
  
        
  (subprocess.TimeoutExpired attribute)
  (unittest.TestCase attribute)
  output() (http.cookies.BaseCookie method)
  
        
  (http.cookies.Morsel method)
  output_charset (email.charset.Charset attribute)
  output_charset() (gettext.NullTranslations method)
  output_codec (email.charset.Charset attribute)
  output_difference() (doctest.OutputChecker method)
  OutputChecker (class in doctest)
  OutputString() (http.cookies.Morsel method)
  over() (nntplib.NNTP method)
  Overflow (class in decimal)
  OverflowError
  
        
  (built-in exception), [1], [2], [3], [4]
  overlaps() (ipaddress.IPv4Network method)
  
        
  (ipaddress.IPv6Network method)
  overlay() (curses.window method)
  
    overloading
  
        
  operator
  overwrite() (curses.window method)
  owner() (pathlib.Path method)
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