Kata

Task:

You have to write a function pattern which creates the following pattern upto n number of rows. If the Argument is 0 or a Negative Integer then it should return "" i.e. empty string.

Pattern:

(n)
(n)(n-1)
(n)(n-1)(n-2)
................
.................
(n)(n-1)(n-2)....4
(n)(n-1)(n-2)....43
(n)(n-1)(n-2)....432
(n)(n-1)(n-2)....4321

Examples:

pattern(4):

4
43
432
4321

pattern(6):

6
65
654
6543
65432
654321

Note: There are no blank spaces

Hint: Use \n in string to jump to next line