On Jan 17, 2009, at 9:00 AM, A. Jorge Garcia wrote:

> I'm really liking this Sage environment.  So, I suppose its time to
> learn some python.  I tried the following code:
>
> for p in range(2,10)
>     if is_prime(2^p-1)
>         print p, 2^p-1
>
> and got the error:
>
> Syntax Error:
>         if is_prime(2^p-1)
>
> what am I missing?

You are missing a colon:
for p in range(2,10):

You also need a colon:
     if is_prime(2^p-1):

Enjoy your learning experience!
Jim Clark

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