How do I add a drop-down list to a Google Sheets spreadsheet?

Drop-down lists are a great way to ensure data accuracy and consistency in a Google Sheets spreadsheet. They can be used to limit the range of values that can be entered into a cell, making it easier to quickly identify and correct any errors. Additionally, drop-down lists can be used to quickly filter and sort data, allowing you to quickly find the information you need. Knowing how to add a drop-down list to a Google Sheets spreadsheet can help you save time and ensure accuracy in your data.