Celsius Temperature Table
The formula for converting a temperature from Fahrenheit to Celsius is
![1210_5600cc0f-4b62-45f2-8310-b0b51415017f.png](https://secure.tutorsglobe.com/CMSImages/1210_5600cc0f-4b62-45f2-8310-b0b51415017f.png)
where F is the Fahrenheit temperature and C is the Celsius temperature. Write a function named celsius that accepts a Fahrenheit temperature as an argument. The function should return the temperature, converted to Celsius. Demonstrate the function by calling it in a loop that displays a table of the Fahrenheit temperatures 0 through 20 and their Celsius equivalents.