Exercise : printing a design practice-it

Write a program to produce the following output using nested for loops. Use a table to help you figure out the patterns of characters on each line. 

-----1-----
----333----
---55555---
--7777777--
-999999999-
Line Dashes Numbers
1 
5
 
1
2 
4
 
3
3 
3
 
5
4 
2
 
7
5 
1
 
9
dashes expression 
-1
 * line + 
6
numbers expression 
2
 * line + 
-1

Test your loop expressions in Practice-It! using the checkmark icon above. Use your expressions in the loop tests of the inner loops of your code.