- It imports the library for the api at the top
- Creates an empyt dictionairy to store the user data.
- It requires a username and if you don’t give one it says username is required and if it is there then it assigns it to the user
- It stores all the users data in the dictionary
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if statement ensures the flask server runs the script
- Creates the API
- It defines all the users variables as data
- It calculates calorie maintnence to input it into the data base.
- It does the calculations and stores it as the variable “calorie maintnence”