python内置函数3-delattr()
Help on built-in function delattr in module __builtin__:delattr(...)
delattr(object, name)
Delete a named attribute on an object; delattr(x, 'y') is equivalent to
``del x.y''.
delattr(object, name)
This is a> class dict(**kwarg)
class dict(mapping, **kwarg)
class dict(iterable, **kwarg)
Create a new dictionary. The dict object is the dictionary>
For other containers see the built-in list, set, and tuple> 中文说明：删除object对象名为name的属性。
参数object：对象。
参数name：属性名称字符串。
>>>> ... def __init__(self, name, age):
... self.name = name
... self.age = age
...
>>> tom=Person("Tom", 35)
>>> dir(tom)
['__doc__', '__init__', '__module__', 'age', 'name']
>>> delattr(tom, "age")
>>> dir(tom)
['__doc__', '__init__', '__module__', 'name']
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