python please

Write a program which prompts the user to enter an integer and prints a half diamond star pattern. Note: you can assume that the number will always be > 1. For example: Input Result 5 Enter number of columns: 5 * ** *** **** ***** **** *** ** * 9 Enter number of columns: 9 * *** **** ***** ****** ******** ******** ********* ********** ******* ****** ***** *** ** * Answer (penalty regime: 0.0 5 10 15 20 25 30 35 40 45 502)