HELP FAST

Write a Python function, countDown Helloj, that accepts an argument/parameter, n. When run, the numbers from n to 1 should be printed out, with each number on a new line, and hello world on a final line of output. If zero is input as the argument, then it should just print." nello world, right way. If a negative number is input, then nothing should be printed. Below is an example of the function being run in the interactive Python interpreter for values of n-4.n-10. >>> countDownHello(4) 4 3 2 1 hello >>> countDown Hello(18) >>>>