1. Create a function surface_area_sphere (radius) with a return value (The surface area of a sphere with radius r is 4xr), is 3.1415926 2. Create a function CtoF (c) with a return value, (convert temperate in degree Celsius C to temperature in degree Fahrenheit F) (15 points) Enter the temperature in degree Celsius: 36 The temperature in degree Fahrenheit is 96.8 (15 points) 3. Write an application (script) and use the defined functions above, when run this application, user needs input the temperature in degree Celsius, and the result will show the temperature in degree Fahrenheit, for example: (20 points)