basic python question about for loop

[jmDesktop]

On Apr 9, 4:58 pm, "Diez B. Roggisch" <de... at nospam.web.de> wrote:
> jmDesktop schrieb:
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> > From the Python.org tutorial:
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> >>>> for n in range(2, 10):
> > ...     for x in range(2, n):
> > ...         if n % x == 0:
> > ...             print n, 'equals', x, '*', n/x
> > ...             break
> > ...     else:
> > ...         # loop fell through without finding a factor
> > ...         print n, 'is a prime number'
> > ...
> > 2 is a prime number
> > 3 is a prime number
> > 4 equals 2 * 2
> > 5 is a prime number
> > 6 equals 2 * 3
> > 7 is a prime number
> > 8 equals 2 * 4
> > 9 equals 3 * 3
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> > first time 2 mod 2, 2/2, no remainder == 0, what am I doing wrong?
> > Why did it fall through?
>
> print out what range(2, n) for n == 2 is.
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> And if you didn't know - 2 *IS* a prime.
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> Diez- Hide quoted text -
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> - Show quoted text -

I do not understand.