This challenge is a simple ascii-art one. Given two inputs, describing the height and width of a Lego piece, you have print an ASCII art representation of it.
Here is how the Lego pieces are supposed to look:
(4, 2)
___________
| o o o o |
| o o o o |
-----------
(8, 2)
___________________
| o o o o o o o o |
| o o o o o o o o |
-------------------
(4, 4)
___________
| o o o o |
| o o o o |
| o o o o |
| o o o o |
-----------
(3, 2)
_________
| o o o |
| o o o |
---------
(1, 1)
o
If you can't tell from the test-cases, the top and bottom are width*2+3 underscores and dashes, and each row has pipes for the sides, o's for the little things, and everything is separated by spaces.
The only exception for this is (1, 1), which is just a single o.
You will never get 0 for any of the dimensions.
This is code-golf, so shortest code in bytes wins!
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