BaseException +– SystemExit +– KeyboardInterrupt +– GeneratorExit +– Exception +– StopIteration +– StopAsyncIteration +– ArithmeticError | +– FloatingPo…

# 使用type创建class def fn(self, name=’world’): print(‘Hello, %s.’ % name) Hello = type(‘Hello’, (object,), dict(hello=fn)) h = Hello() h.hello(‘Mac’)

今天继续学习python，学到了定制类，用到了__getattr__和__call__以及__str__ class Chain(object): def __init__(self, path=”): self._path = path def __getattr__(self, path): return Cha…