How to create Cubes?

Dear all I need your help for a project that I want to make. I want to create a code that creates cubes with a particular length,

width, height ( for example Lenght1=input('give me lenght of the 1st cube :\n'); - Lenght2=input('give me lenght of the 2nd cube :\n'); and so one and do the same for the other dimensions. When I create let say 3 different cubes ( or 4 or whatever) with different dimensions for each cube, I will like to create a 3D shape let say a cone with these cubes. I don't care right now how they will fluctuate into the cone

[Rik]

Have a read here and here. It will greatly improve your chances of getting an answer.