loops

[Gandalf]

On Oct 18, 12:39 pm, Duncan Booth <duncan.bo... at invalid.invalid>
wrote:
> Gandalf <goldn... at gmail.com> wrote:
> > how can I do width python a normal for loop width tree conditions like
> > for example :
>
> > for x=1;x<=100;x+x:
> >     print x
>
> What you wrote would appear to be an infinite loop so I'll assume you meant
> to assign something to x each time round the loop as well. The simple
> Python translation of what I think you meant would be:
>
> x = 1
> while x <= 100:
>    print x
>    x += x
>
> If you really insist on doing it with a for loop:
>
> def doubling(start, limit):
>     x = start
>     while x <= limit:
>         yield x
>         x += x
>
> ...
>
> for x in doubling(1, 100):
>     print x

I was hopping to describe it with only one command. most of the
languages I know use this.
It seems weird to me their is no such thing in python. it's not that I
can't fined a solution it's all about saving code