Attached, you find the source code for this section. The snapshots are also attached to individual lectures throughout this module (i.e. the lectures to which each snapshot belongs).

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The following resources may be helpful.

• More on Closures (MDN): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Closures

• Recursion (MDN): https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions#Recursion