Iteration vs Recursion.

# Iteration vs Recursion

Most problems that can be solved with iteration ( for, while, do loops) can also be solved with recursion. Pros and cons are:

- Iteration code will be faster and will use less resources.
- Recursion normaly looks more like the original formula.

Anyway up, as an example of both technics here is some code to give the factorial of a number. Iteration------ Recursion

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