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      - 
    BOLT_INSTRUMENT_FLAGS
      
 
      - BOM (in module codecs)
 
      - BOM_BE (in module codecs)
 
      - BOM_LE (in module codecs)
 
      - BOM_UTF16 (in module codecs)
 
      - BOM_UTF16_BE (in module codecs)
 
      - BOM_UTF16_LE (in module codecs)
 
      - BOM_UTF32 (in module codecs)
 
      - BOM_UTF32_BE (in module codecs)
 
      - BOM_UTF32_LE (in module codecs)
 
      - BOM_UTF8 (in module codecs)
 
      - bool (built-in class)
 
      - 
    Boolean
      
 
      - BOOLEAN_STATES (configparser.ConfigParser attribute)
 
      - BooleanOptionalAction (class in argparse)
 
      - BoolOp (class in ast)
 
      - bootstrap() (in module ensurepip)
 
      - border() (curses.window method)
 
      - borrowed reference
 
      - bottom() (curses.panel.Panel method)
 
      - bottom_panel() (in module curses.panel)
 
      - BoundArguments (class in inspect)
 
      - BoundaryError
 
      - BoundedSemaphore (class in asyncio)
      
 
      - BoundedSemaphore() (multiprocessing.managers.SyncManager method)
 
      - bounds() (compression.zstd.CompressionParameter method)
      
 
      - box() (curses.window method)
 
      - bpbynumber (bdb.Breakpoint attribute)
 
      - bpformat() (bdb.Breakpoint method)
 
      - bplist (bdb.Breakpoint attribute)
 
      - bpprint() (bdb.Breakpoint method)
 
      - BRANCH_LEFT (monitoring event)
 
      - BRANCH_RIGHT (monitoring event)
 
      - 
    break
      
 
      - Break (class in ast)
 
      - break (pdb command)
 
      - break_anywhere() (bdb.Bdb method)
 
      - break_here() (bdb.Bdb method)
 
      - break_long_words (textwrap.TextWrapper attribute)
 
      - break_on_hyphens (textwrap.TextWrapper attribute)
 
      - Breakpoint (class in bdb)
 
      - 
    breakpoint()
      
 
      - breakpointhook() (in module sys)
 
      - breakpoints
 
      - broadcast_address (ipaddress.IPv4Network attribute)
      
 
      - broken (asyncio.Barrier attribute)
      
 
      - BrokenBarrierError, [1]
 
      - BrokenExecutor
 
      - BrokenInterpreterPool
 
      - BrokenPipeError
 
      - BrokenProcessPool
 
      - BrokenThreadPool
 
      - BROWSER, [1], [2], [3], [4], [5], [6], [7]
 
      - BS (in module curses.ascii)
 
      - BsdDbShelf (class in shelve)
 
      - btlazy2 (compression.zstd.Strategy attribute)
 
      - btopt (compression.zstd.Strategy attribute)
 
      - BTPROTO_HCI (in module socket)
 
      - BTPROTO_L2CAP (in module socket)
 
      - BTPROTO_RFCOMM (in module socket)
 
      - BTPROTO_SCO (in module socket)
 
      - btultra (compression.zstd.Strategy attribute)
 
      - btultra2 (compression.zstd.Strategy attribute)
 
      - buf (multiprocessing.shared_memory.SharedMemory attribute)
 
      - Buffer (class in collections.abc)
 
      - buffer (io.TextIOBase attribute)
      
 
      - 
    buffer interface
      
 
      - 
    buffer object
      
 
      - buffer protocol
      
 
      - buffer size, I/O
 
      - buffer_info() (array.array method)
 
      - buffer_size (xml.parsers.expat.xmlparser attribute)
 
      - buffer_text (xml.parsers.expat.xmlparser attribute)
 
      - buffer_updated() (asyncio.BufferedProtocol method)
 
      - buffer_used (xml.parsers.expat.xmlparser attribute)
 
      - BufferedIOBase (class in io)
 
      - BufferedProtocol (class in asyncio)
 
      - BufferedRandom (class in io)
 
      - BufferedReader (class in io)
 
      - BufferedRWPair (class in io)
 
      - BufferedWriter (class in io)
 
      - BufferError
 
      - BufferFlags (class in inspect)
 
      - BufferingFormatter (class in logging)
 
      - BufferingHandler (class in logging.handlers)
 
      - BufferTooShort
 
      - BUILD_INTERPOLATION (opcode)
 
      - BUILD_LIST (opcode)
 
      - BUILD_MAP (opcode)
 
      - build_opener() (in module urllib.request)
 
      - BUILD_SET (opcode)
 
      - BUILD_SLICE (opcode)
 
      - BUILD_STRING (opcode)
 
      - BUILD_TEMPLATE (opcode)
 
      - BUILD_TUPLE (opcode)
 
      - 
    built-in
      
 
      - 
    built-in function
      
        - __import__
 
        - __import__()
 
        - abs, [1]
 
        - abs()
 
        - aiter()
 
        - all()
 
        - anext()
 
        - any()
 
        - ascii
 
        - ascii()
 
        - bin()
 
        - breakpoint()
 
        - bytes, [1]
 
        - call
 
        - callable()
 
        - chr
 
        - chr()
 
        - classmethod
 
        - classmethod()
 
        - compile, [1], [2], [3]
 
        - compile()
 
        - complex, [1]
 
        - delattr()
 
        - dir()
 
        - divmod, [1], [2]
 
        - divmod()
 
        - enumerate()
 
        - eval, [1], [2], [3], [4]
 
        - eval()
 
        - exec, [1], [2]
 
        - exec()
 
        - filter()
 
        - float, [1], [2]
 
        - format()
 
        - getattr()
 
        - globals()
 
        - hasattr()
 
        - hash, [1], [2], [3]
 
        - hash()
 
        - help
 
        - help()
 
        - hex()
 
        - id
 
        - id()
 
        - input()
 
        - int, [1], [2]
 
        - isinstance()
 
        - issubclass()
 
        - iter()
 
        - len, [1], [2], [3], [4], [5], [6], [7], [8], [9], [10], [11]
 
        - len()
 
        - locals()
 
        - map()
 
        - max
 
        - max()
 
        - min
 
        - min()
 
        - multiprocessing.Manager()
 
        - next()
 
        - object, [1]
 
        - oct()
 
        - open, [1]
 
        - open()
 
        - ord
 
        - ord()
 
        - pow, [1], [2], [3], [4]
 
        - pow()
 
        - print
 
        - print()
 
        - property.deleter()
 
        - property.getter()
 
        - property.setter()
 
        - range
 
        - repr, [1], [2], [3]
 
        - repr()
 
        - reversed()
 
        - round
 
        - round()
 
        - setattr()
 
        - slice, [1]
 
        - sorted()
 
        - staticmethod
 
        - staticmethod()
 
        - sum()
 
        - tuple, [1]
 
        - type, [1], [2], [3]
 
        - vars()
 
        - zip()
 
        
      - 
    built-in method
      
 
      - builtin_module_names (in module sys)
 
      - BuiltinFunctionType (in module types)
 
      - BuiltinImporter (class in importlib.machinery)
 
      - BuiltinMethodType (in module types)
 
      - 
    builtins
      
 
      - burst() (imaplib.IMAP4.Idler method)
 
      - busy_retry() (in module test.support)
 
      - BUTTON_ALT (in module curses)
 
      - BUTTON_CTRL (in module curses)
 
      - BUTTON_SHIFT (in module curses)
 
      - buttonbox() (tkinter.simpledialog.Dialog method)
 
      - BUTTONn_CLICKED (in module curses)
 
      - BUTTONn_DOUBLE_CLICKED (in module curses)
 
      - BUTTONn_PRESSED (in module curses)
 
      - BUTTONn_RELEASED (in module curses)
 
      - BUTTONn_TRIPLE_CLICKED (in module curses)
 
      - bye() (in module turtle)
 
      - byref() (in module ctypes)
 
      - byte
 
      - 
    byte-code
      
 
      - byte_offset (ctypes.CField attribute)
 
      - byte_size (ctypes.CField attribute)
 
      - bytearray
      
 
      - bytearray (built-in class)
 
      - bytecode, [1]
 
      - Bytecode (class in dis)
 
      - Bytecode.codeobj (in module dis)
 
      - Bytecode.first_line (in module dis)
 
      - BYTECODE_SUFFIXES (in module importlib.machinery)
 
      - BytecodeTestCase (class in test.support.bytecode_helper)
 
      - byteorder (in module sys)
      
 
      - bytes
      
 
      - bytes (built-in class)
      
 
      - bytes literal
 
      - bytes-like object
 
      - bytes_le (uuid.UUID attribute)
 
      - bytes_warning (sys.flags attribute)
 
      - BytesFeedParser (class in email.parser)
 
      - BytesGenerator (class in email.generator)
 
      - BytesHeaderParser (class in email.parser)
 
      - BytesIO (class in io)
 
      - BytesParser (class in email.parser)
 
      - ByteString (class in collections.abc)
      
 
      - byteswap() (array.array method)
 
      - BytesWarning
 
      - 
    bz2
      
 
      - BZ2Compressor (class in bz2)
 
      - BZ2Decompressor (class in bz2)
 
      - BZ2File (class in bz2)
 
      - 
    BZIP2_CFLAGS
      
 
      - 
    BZIP2_LIBS
      
 
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