> model of a variable name representing an area in
> memory where assignment copies data to a new area
> in memory with the other variable name will get caught
> on this until they catch on.
>
> I'll be very grateful for any criticism of the above.
>
>
>
> O
If you copy a list into another variable, and then change the second
one, the first gets changed aswell, for example:
>>> a = [10, 40, 30, 20]
>>> b = a
>>> b.sort()
>>> a
[10, 20, 30, 40]
>>> b
[10, 20, 30, 40]
or:
>>> a = [10, 40, 30, 20]
>>> b = a
>>> b[0] = 99
>>> a
[99, 40, 30, 20]
>>> b
[
I sorry, maybe I am stupid at the moment but I cannot follow your
question,
1) User can select a date, or a range of dates.
2) At the moment you are only able to let the user select a date that
has entered the database today.
3) A value from a table called duratation will be returned for the
