A Python Program to print multiplication table of any natural number

I am just beginning in the world of computer programming with python as my first language. Yesterday, I wrote a very simple program which, when executed, ask us for a number whose table we want to print, then a number from where we want to start the table and finally a number up to which the table will be printed. The source code of the program is:

A sample execution of this program in my python shell looks something like this: