python的bif介绍

Posted 2020-09-01

Python是面向对象的解释性程序设计语言，Python的语法简洁，特点是用空白符作为语句缩进。

BIF(bulit in function)内置函数，就是Python自身提供的函数功能，编程者直接使用即可，在Python或IDLE Shell中使用  dir(__builtins__)  命令查看Python的内置函数。

 1 [‘ArithmeticError‘, ‘AssertionError‘, ‘AttributeError‘, ‘BaseException‘, ‘BlockingIOError‘, ‘BrokenPipeError‘, ‘BufferError‘, ‘BytesWarning‘,
 2  ‘ChildProcessError‘, ‘ConnectionAbortedError‘, ‘ConnectionError‘, ‘ConnectionRefusedError‘, ‘ConnectionResetError‘,
 3  ‘DeprecationWarning‘, ‘EOFError‘, ‘Ellipsis‘, ‘EnvironmentError‘, ‘Exception‘, ‘False‘, ‘FileExistsError‘, ‘FileNotFoundError‘, 
 4 ‘FloatingPointError‘, ‘FutureWarning‘, ‘GeneratorExit‘, ‘IOError‘, ‘ImportError‘, ‘ImportWarning‘, ‘IndentationError‘, ‘IndexError‘,
 5  ‘InterruptedError‘, ‘IsADirectoryError‘, ‘KeyError‘, ‘KeyboardInterrupt‘, ‘LookupError‘, ‘MemoryError‘, ‘NameError‘, ‘None‘, 
 6 ‘NotADirectoryError‘, ‘NotImplemented‘, ‘NotImplementedError‘, ‘OSError‘, ‘OverflowError‘, ‘PendingDeprecationWarning‘,
 7  ‘PermissionError‘, ‘ProcessLookupError‘, ‘ReferenceError‘, ‘ResourceWarning‘, ‘RuntimeError‘, ‘RuntimeWarning‘, ‘StopIteration‘,
 8  ‘SyntaxError‘, ‘SyntaxWarning‘, ‘SystemError‘, ‘SystemExit‘, ‘TabError‘, ‘TimeoutError‘, ‘True‘, ‘TypeError‘, ‘UnboundLocalError‘, 
 9 ‘UnicodeDecodeError‘, ‘UnicodeEncodeError‘, ‘UnicodeError‘, ‘UnicodeTranslateError‘, ‘UnicodeWarning‘, ‘UserWarning‘, 
10 ‘ValueError‘, ‘Warning‘, ‘WindowsError‘, ‘ZeroDivisionError‘, ‘_‘, ‘__build_class__‘, ‘__debug__‘, ‘__doc__‘, ‘__import__‘, ‘__loader__‘,
11  ‘__name__‘, ‘__package__‘, ‘__spec__‘, ‘abs‘, ‘all‘, ‘any‘, ‘ascii‘, ‘bin‘, ‘bool‘, ‘bytearray‘, ‘bytes‘, ‘callable‘, ‘chr‘, ‘classmethod‘, ‘compile‘,
12  ‘complex‘, ‘copyright‘, ‘credits‘, ‘delattr‘, ‘dict‘, ‘dir‘, ‘divmod‘, ‘enumerate‘, ‘eval‘, ‘exec‘, ‘exit‘, ‘filter‘, ‘float‘, ‘format‘, ‘frozenset‘, 
13 ‘getattr‘, ‘globals‘, ‘hasattr‘, ‘hash‘, ‘help‘, ‘hex‘, ‘id‘, ‘input‘, ‘int‘, ‘isinstance‘, ‘issubclass‘, ‘iter‘, ‘len‘, ‘license‘, ‘list‘, ‘locals‘, ‘map‘, 
14 ‘max‘, ‘memoryview‘, ‘min‘, ‘next‘, ‘object‘, ‘oct‘, ‘open‘, ‘ord‘, ‘pow‘, ‘print‘, ‘property‘, ‘quit‘, ‘range‘, ‘repr‘, ‘reversed‘, ‘round‘, ‘set‘,
15  ‘setattr‘, ‘slice‘, ‘sorted‘, ‘staticmethod‘, ‘str‘, ‘sum‘, ‘super‘, ‘tuple‘, ‘type‘, ‘vars‘, ‘zip‘]

 

当编程者需要某个BIF的介绍时，可以通过语句  help(input) 的形式查看Python提供的介绍。