Here is the app published in the ShinyApp

1. Did you receive any help from others (classmates, etc)? If so, please list who.

No

2. Approximately how many hours did it take you to complete this challenge?

6

3. On a scale of 1 (too easy) to 10 (too challenging), how difficult was this challenge?

9

4. Did you encounter any problems in this challenge we should warn students about in the future? How can we make the challenge better?

be careful about your item in the (), a small mistake could take you hours of time to figure out

Please submit this GitHub repository to Canvas as your assignment, and thanks for your hard work!