How to get the concrete class name as a string?

This question already has an answer here:

Getting the class name of an instance in Python 8 answers

---

 instance.__class__.__name__

例：

>>> class A():
    pass
>>> a = A()
>>> a.__class__.__name__
'A'

---

<object>.__class__.__name__

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you can also create a dict with the classes themselves as keys, not necessarily the classnames

typefunc={
    int:lambda x: x*2,
    str:lambda s:'(*(%s)*)'%s
}

def transform (param):
    print typefunc[type(param)](param)

transform (1)
>>> 2
transform ("hi")
>>> (*(hi)*)

here typefunc is a dict that maps a function for each type. transform gets that function and applies it to the parameter.

of course, it would be much better to use 'real' OOP

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