Implement the funciton in src/rgb_to_hex.py with the following specification:
An up and coming app developer, your front end UI
designer sent you the color schema, but it's all
RGB, and you only read in hex!
Your objective is to take three numbers representing an RGB
color, and returning its hex equivalent (all caps)
Example input: 40, 56, 88
Example output: >283858
Implement the funciton in
src/rgb_to_hex.py
with the following specification: