- 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_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_TRUNC (in module os)
  
 
      
  - O_WRONLY (in module os)
  
 
      
  - obj (memoryview attribute)
  
 
      
  - object, [1], [2]
  
 
      
        
  - 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 (directive)
  
 
      
        
  - (UnicodeError attribute)
  
 
        
      
  - object() (built-in function)
  
 
      
  - object.__slots__ (built-in variable)
  
 
      
  - object_filenames() (distutils.ccompiler.CCompiler method)
  
 
      
  - 
    objects
  
 
      
        
  - comparing
  
 
        
  - flattening
  
 
        
  - marshalling
  
 
        
  - persistent
  
 
        
  - pickling
  
 
        
  - serializing
  
 
        
      
  - objname (built-in variable)
  
 
      
  - 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)
  
 
      
  - only (directive)
  
 
      
  - 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_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)
  
 
        
  - (pipes.Template method)
  
 
        
  - (tarfile.TarFile method)
  
 
        
  - (telnetlib.Telnet method)
  
 
        
  - (urllib.request.OpenerDirector method)
  
 
        
  - (urllib.request.URLopener method)
  
 
        
  - (webbrowser.controller method)
  
 
        
  - (zipfile.ZipFile method)
  
 
        
      
  - open_new() (in module webbrowser)
  
 
      
        
  - (webbrowser.controller method)
  
 
        
      
  - open_new_tab() (in module webbrowser)
  
 
      
        
  - (webbrowser.controller method)
  
 
        
    | 
  
      
  - open_osfhandle() (in module msvcrt)
  
 
      
  - 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)
  
 
        
      
  - operator bool (C++ function)
  
 
      
  - operators
  
 
      
  - opmap (in module dis)
  
 
      
  - opname (in module dis)
  
 
      
  - optimize() (in module pickletools)
  
 
      
  - OPTIMIZED_BYTECODE_SUFFIXES (in module importlib.machinery)
  
 
      
  - option (directive)
  
 
      
        
  - (role)
  
 
        
      
  - 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_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
  
 
      
  - out_suffix (sphinx.builders.html.SerializingHTMLBuilder attribute)
  
 
      
  - output
  
 
      
        
  - standard
  
 
        
      
  - output (subprocess.CalledProcessError attribute)
  
 
      
        
  - (subprocess.TimeoutExpired 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
  
 
        
      
  - override_domain() (sphinx.application.Sphinx method)
  
 
      
  - overwrite() (curses.window method)
  
 
    |