# Iterative action selection For non-trivial questions it’s generally not enough to take a single cognitive action. For example, consider: ``` What is the log10 of the number of people living in the US vs China? ``` Ideally we’d first look up the populations, then compute the logarithms. Alas, this chapter hasn’t been written yet. ## Exercise Implement iterative action selection. If you need inspiration, take a look at this execution trace:

Execution trace (view online)

For even more inspiration, take a look at [sequential\_action.py](https://github.com/oughtinc/ice/blob/main/ice/recipes/primer/sequential_action.py) in the ICE repository.
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