Newbie help- Can multiple instances with multiple names automatically created.

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Okay, let me ask another question:

When we create instances of objects by doing
x = className ()
are we using globalnamespace?

if yes then:
  if using globalnamespace is bad then why does every book or tutorial
about python classes give the above  style of assignment as an
example?

Second why do we use a dictionary to create something like this? I
know how it works, but what is wrong with simply creating instances
automatically? Once created the data for the instances is
automatically saved in their own space? Why have a round about way
using dictionaries?
Is there an advantage or does it conflict with something else?

Why not have
for i in specialList:  #I presume it would have to be special, because
it can't be a problematic type
  i = className(whatever)




>
> > what are the risks of globalnamespace use
>
> You're unnecessarily tying your code to the implementation.
>
> > and what are the benefits?
>
> Absolutely none that using a dictionary doesn't also give you.