my @elems = ("x", "y", "z");
# array size may be varied (lesser or more than 3)


##</code><code>##


my @tobepopulated = ("foo", "foo", "foo", "foo", "foo", "foo", "foo", "foo", "foo", "foo");

# this can be more 10 elements


##</code><code>##


my @new_array = 
("foo-x", 
 "foo-x", 
 "foo-x", 
 "foo-y",
 "foo-y",
 "foo-y",
 "foo-z",
 "foo-z",
 "foo-z",
 "foo-z");