variable declaration

[Robert Brewer]

AlexanderZatvornitskiy wrote:
> I'am novice in python, and I find one very bad thing (from my 
> point of view) in
> language. There is no keyword or syntax to declare variable, 
> like 'var' in
> Pascal, or special syntax in C. It can cause very ugly 
> errors,like this:
> 
> epsilon=0
> S=0
> while epsilon<10:
>   S=S+epsilon
>   epselon=epsilon+1
> print S
> 
> It will print zero, and it is not easy to find such a bug!
> 
> Even Visual Basic have 'Option Explicit' keyword! May be, 
> python also have such
> a feature, I just don't know about it?

The feature is called "pychecker", and, although it isn't included in
the standard distribution, it's readily available:
http://pychecker.sourceforge.net/


Robert Brewer
MIS
Amor Ministries
fumanchu at amor.org