- Use at least two functions --- main() and calculation().

- All calculations should happen in calculation function.

- Remember to call the main function very last.

- Input and output should happen in the main function. Call and pass variables into the calculation function from within the main function, be sure to return the answer back to the main function into another variable.

USE PYTHON

1. Write a program that asks the user for their height in inches and weight in pounds and converts it and calculates their BMI. Then, print out if they are underweight, overweight, or just right. (use if statement)