Rainer Grimm r.grimm at science-computing.de
Thu Feb 2 02:19:57 EST 2012

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You can do it more concise.

>>> def isListOrString(p):
...    return any((isinstance(p,list),isinstance(p,str)))
...
>>> listOrString("string")
True
>>> listOrString([1,2,3])
True
>>> listOrString(2)
False
>>> listOrString(False)
False

Rainer

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