You'll get this from the programming interview books, too, but I found this outstanding: Algorithm design canvas. Write code on a whiteboard or paper, not a computer. Test with some sample inputs.

Analyze the time and space complexity of your solution. Compare your solution to others and identify areas for improvement.

“Help me get back into my home. I would love that because my husband is in a nursing home. We use to go and get him and bring him home for the day. We can’t even do that anymore,” said ...