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Question

Is there a built-in function for this in Python 2.6?

Something like:

clamp(myValue, min, max)

Answer

Numpy's [clip][1] function will do this.

>>> import numpy
>>> numpy.clip(10,0,3)
3
>>> numpy.clip(-4,0,3)
0
>>> numpy.clip(2,0,3)
2

[1]: http://docs.scipy.org/doc/numpy/reference/generated/numpy.clip.html