Checking if class is derived of some other class

[Alexander Skwar]

Hello.

I'm using Python 2.2.1.

Suppose I've got the following classes/objects:

class a:
	pass
class b(a):
	pass
class c(b):
	pass

myObject = c

How can I check if myObject is either directly instantiated from class a
or is if of a class which inherited from class a?

Thanks,

Alexander Skwar
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