📊 Alumni Exercises: Fullstack Open 4.1 - 4.22

Goal: Complete the exercises from Fullstack Open Week 4: https://fullstackopen.com/en/part3

How to submit your code for review:

• Fork and clone this repo
• Create a new branch called solutions
• Checkout solutions branch
• Push to your fork
• Issue a pull request
• Your pull request description should contain the following:
  • (1 to 5 no 3) I completed the challenges
  • (1 to 5 no 3) I feel good about my code
  • Anything specific on which you want feedback!

#Example:

I completed the challenge: 5
I feel good about my code: 4
I'm not sure if my constructors are setup cleanly...