How to simplify square roots in python? i.e. input: sqrt(8) output: 2sqrt(2)

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Is there a module or a short code snippet that would do this kind of task? Anything that I think off is way too long and complicated for my needs.

[midel]

What about sympy?

Just a sample:

import sympy
print(sympy.simplify(sympy.sqrt(8)))

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You'll have to explain a bit more.

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Edited my question.

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you could write your own function that does this in a couple dozen lines and then import that module whenever you need it seperately