> class Myname:
> def __init__(self):
> self.value = -1
> def __iter__(self):
> return self
> def next(self):
> self.value += 1
> val = '%s%.2d' % ('tt',self.value)
That should be `Symbol('%s%.2d' % ('tt',self.value))`; note that
numbered_symbols('tt') will give you the same iterator.
```
>>> numbered_symbols('tt')
<generator object numbered_symbols at 0xb20039c>
>>> [_.next() for i in range(4)]
[tt0, tt1, tt2, tt3]
```
/Chris
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