https://docs.google.com/presentation/d/1yDXGypcooCoeUa7GD99bYooRU1vBk63lC0G2JEOdTaY/edit?usp=sharing
firstHalfList combineLists maxEnd3List sum2List listOf7Cosines listOf10SqrRoots getSumOfArrayListElements remove5s change5sTo3s removeFirst0s H Authoring docs