1 | initial version |

Perhaps I am misinterpreting your question, but how about the following:

```
a = sum(sqrt(x), x, 0, oo)
print a
print a.n()
```

2 | No.2 Revision |

Perhaps I am misinterpreting your question, but how about the following:

`a = sum(sqrt(x), x, 0, `~~oo)
~~9)
print a
print a.n()

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