** (times times) in Python [duplicate]

This question already has answers here: 开发者_如何学运维 Closed 11 years ago.

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What does the ** operator do in Python?

What does the ** do/mean in following python code?

range(2,int(startnumber**0.5)+1)

I was working with some Fibonacci numbers and fell over the function on the internet. Can't seem to find it in the documentation

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It means "to the power of." So x**2 means x squared, and x**0.5 means the square root of x.