Convert Fahrenheit to Celsius

Problem

Here's the formula to convert Fahrenheit to Celsius:

            $T_c = \cfrac{5}{9}(T_f-32)$

Write a program to convert the temperature given in Fahrenheit to Celsius.

• Assume that the value of the temperature in Fahrenheit is available to your program in a string, input.

• The temperature in Celsius should be rounded to two digits after the decimal point and saved in a variable called output.