# Perimeter Defense - adventurer feedback

**URL:** <https://discourse.codecombat.com/t/perimeter-defense-adventurer-feedback/7959>\
**Category:** Adventurer\
**Created:** [June 9, 2016, 12:18pm UTC](https://discourse.codecombat.com/t/perimeter-defense-adventurer-feedback/7959 "2016-06-09T12:18:34Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ant](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.codecombat.com/ant/32/3362_2.png) [@ant](https://discourse.codecombat.com/u/ant)\
**Post date:** [June 9, 2016, 12:18pm UTC](https://discourse.codecombat.com/t/perimeter-defense-adventurer-feedback/7959/1 "2016-06-09T12:18:34Z")

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Simple and straightforward level to demonstrate the `range()` function. However, I would add a bit more explanation in the guide and/or the comments. I’m thinking about the different optional parameters of range (unless it’s explained in earlier levels):

```python
range(stop)
range(start, stop)
range(start, stop, step)

```

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**Author:** ![Bryukh](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.codecombat.com/bryukh/32/19597_2.png) [@Bryukh](https://discourse.codecombat.com/u/Bryukh)\
**Post date:** [June 9, 2016, 12:33pm UTC](https://discourse.codecombat.com/t/perimeter-defense-adventurer-feedback/7959/2 "2016-06-09T12:33:07Z")

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Yes. I’m going to add more introduction levels with simpler constructions.