A simple test follows:
Hello, world!
Now iterate over a list:
one
two
three
four
five
Now iterate again:
0. one
1. two
2. three
3. four
4. five
Iterate over a list in a hash:
one
two
three
four
five
one
two
three
four
five
one
two
three
four
five
one
two
three
four
five
Now test the list and foreach keywords...
one
two
three
four
five
one
two
three
four
five