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Mon Apr 9 10:33:24 EDT 2001 · http://mail.python.org/pipermail/python-list/2001-April/108624.html

I am new to Python and I just read something that I thought was peculiar.
Is it true that a user can add to the variables of a class just by naming
the new variable?

Like:

ClassObject.var1=5

Would this create a variable "var1" inside the class even though the creator
of the class never intended it to be there (there was no var1 originally)?
If I mistype the variable in my code, a new variable inside the class is
created rather than flagging the error?  Is there a way to prevent this so
users cannot add variables?  It seems to me that the user could just
override a class with unrelated data.

Thanks in advance,

Robert Johnson

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Class Variable Question