- O_APPEND (in module os)
 
      - O_ASYNC (in module os)
 
      - O_BINARY (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)
 
      - object, [1]
      
        - Boolean, [1]
 
        - CObject
 
        - Capsule
 
        - Ellipsis
 
        - None, [1], [2]
 
        - NotImplemented
 
        - Unicode
 
        - buffer, [1]
 
        - built-in function, [1]
 
        - built-in method, [1]
 
        - bytearray, [1]
 
        - callable, [1]
 
        - class, [1], [2], [3], [4]
 
        - class instance, [1], [2], [3]
 
        - code, [1], [2], [3]
 
        - complex
 
        - complex number, [1]
 
        - deallocation
 
        - dictionary, [1], [2], [3], [4], [5], [6], [7]
 
        - file, [1], [2], [3], [4]
 
        - 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], [3], [4]
 
        - integer, [1], [2]
 
        - list, [1], [2], [3], [4], [5], [6], [7], [8]
 
        - long integer, [1], [2]
 
        - mapping, [1], [2], [3], [4], [5]
 
        - method, [1], [2], [3], [4], [5]
 
        - module, [1], [2]
 
        - mutable, [1], [2]
 
        - mutable sequence
 
        - numeric, [1], [2], [3], [4]
 
        - plain integer
 
        - recursive
 
        - sequence, [1], [2], [3], [4], [5], [6], [7], [8]
 
        - set, [1], [2], [3]
 
        - set type
 
        - slice
 
        - socket
 
        - string, [1], [2], [3], [4]
 
        - traceback, [1], [2], [3], [4]
 
        - tuple, [1], [2], [3], [4], [5]
 
        - type, [1], [2]
 
        - unicode
 
        - user-defined function, [1], [2]
 
        - user-defined method
 
        - xrange, [1]
 
        
      - object (built-in class)
      
 
      - object_filenames() (distutils.ccompiler.CCompiler method)
 
      - 
    objects
      
 
      - ObjectSpecifier (class in aetypes)
 
      - obufcount() (ossaudiodev.oss_audio_device method)
 
      - obuffree() (ossaudiodev.oss_audio_device method)
 
      - 
    oct
      
 
      - oct() (built-in function)
      
 
      - 
    octal
      
 
      - octal literal
 
      - octdigits (in module string)
 
      - offset (xml.parsers.expat.ExpatError attribute)
 
      - OK (in module curses)
 
      - ok_builtin_modules (rexec.RExec attribute)
 
      - ok_file_types (rexec.RExec attribute)
 
      - ok_path (rexec.RExec attribute)
 
      - ok_posix_names (rexec.RExec attribute)
 
      - ok_sys_names (rexec.RExec attribute)
 
      - OleDLL (class in ctypes)
 
      - onclick() (in module turtle), [1]
 
      - ondrag() (in module turtle)
 
      - onecmd() (cmd.Cmd method)
 
      - onkey() (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_MIDDLEBOX_COMPAT (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_NO_TLSv1_3 (in module ssl)
 
      - OP_SINGLE_DH_USE (in module ssl)
 
      - OP_SINGLE_ECDH_USE (in module ssl)
 
      - 
    open
      
 
      - Open Scripting Architecture
 
      - open() (built-in function)
      
 
      - open_new() (in module webbrowser)
      
 
    | 
  
      - open_new_tab() (in module webbrowser)
      
 
      - open_osfhandle() (in module msvcrt)
 
      - open_unknown() (urllib.URLopener method)
 
      - OpenDatabase() (in module msilib)
 
      - opendir() (in module dircache)
 
      - OpenerDirector (class in urllib2)
 
      - openfolder() (mhlib.MH method)
 
      - openfp() (in module sunau)
      
 
      - OpenGL
 
      - OpenKey() (in module _winreg)
 
      - OpenKeyEx() (in module _winreg)
 
      - openlog() (in module syslog)
 
      - openmessage() (mhlib.Message method)
 
      - openmixer() (in module ossaudiodev)
 
      - openport() (in module al)
 
      - openpty() (in module os)
      
 
      - openrf() (in module MacOS)
 
      - 
    OpenSSL
      
 
      - OPENSSL_VERSION (in module ssl)
 
      - OPENSSL_VERSION_INFO (in module ssl)
 
      - OPENSSL_VERSION_NUMBER (in module ssl)
 
      - OpenView() (msilib.Database method)
 
      - 
    operation
      
 
      - 
    operations
      
 
      - 
    operations on
      
 
      - 
    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 (module)
 
      - operators
 
      - opmap (in module dis)
 
      - opname (in module dis)
 
      - optimize() (in module pickletools)
 
      - OptionGroup (class in optparse)
 
      - OptionMenu (class in Tix)
 
      - OptionParser (class in optparse)
 
      - options (doctest.Example attribute)
      
 
      - options() (ConfigParser.RawConfigParser method)
 
      - optionxform() (ConfigParser.RawConfigParser method)
 
      - optparse (module)
 
      - 
    or
      
 
      - or_() (in module operator)
 
      - 
    ord
      
 
      - ord() (built-in function)
 
      - 
    order
      
 
      - ordered_attributes (xml.parsers.expat.xmlparser attribute)
 
      - OrderedDict (class in collections)
 
      - Ordinal (class in aetypes)
 
      - origin_server (wsgiref.handlers.BaseHandler attribute)
 
      - 
    os
      
 
      - os (module)
 
      - os.path (module)
 
      - os_environ (wsgiref.handlers.BaseHandler attribute)
 
      - OSError
 
      - ossaudiodev (module)
 
      - OSSAudioError
 
      - output, [1]
      
 
      - output (subprocess.CalledProcessError attribute)
 
      - output() (Cookie.BaseCookie 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() (Cookie.Morsel method)
 
      - OutputType (in module cStringIO)
 
      - Overflow (class in decimal)
 
      - OverflowError
      
 
      - overlay() (curses.window method)
 
      - 
    overloading
      
 
      - Overmars, Mark
 
      - overwrite() (curses.window method)
 
    |