| lang | ID |
|---|---|
| title | Standing in Line |
| answer | ^\[([-\.\d]+)(\s*,\s*[-\d\.]+){3,}\]$ |
| ok | Excellent |
| error | Try adding a fourth number to the list |
Lists (arrays) store things in some order.
Like standing in line for popcorn. You are behind someone and you wouldn't dream of pushing them aside, right? And the guy behind you, you've got a close eye on him, right?
Here's a list for you. Lottery numbers:
[12, 47, 35]
Try adding a number to this list: type a comma after 35 followed by a number. The space is optional.