WAP- write a program

im a beginner, please write a simple program

Q.2 WAP to make a function "Option" which takes the options 1,2 and 3 from the user. Now make three different functions "areaCircle", "areaRect" and "circumCircle" which will calculate area of circle, area of rectangle and circumference of circle on the options 1 , 2 and 3 respectively returned by the function. Finally display the output in the main function. The necessary data for calculation needs to be passed from the main function