how to use:

 ruby c_to_f.rb "454.5555"
 ruby f_to_c.rb "234.1944"

Activity: Temperature Converter

Statement: Create a function that converts temperatures between Celsius and Fahrenheit scales.

Celsius to Fahrenheit:

(Tc x 9/5) + 32 = Tf (Tf - 32) x 5/9 = Tc