--- exercises/076_sentinels.zig	2023-10-03 22:15:22.125574535 +0200
+++ answers/076_sentinels.zig	2023-10-05 20:04:07.186102649 +0200
@@ -82,7 +82,7 @@
             print("Array:", .{});
 
             // Loop through the items in my_seq.
-            for (???) |s| {
+            for (my_seq) |s| {
                 print("{}", .{s});
             }
         },
@@ -94,7 +94,7 @@
             // Loop through the items in my_seq until we hit the
             // sentinel value.
             var i: usize = 0;
-            while (??? != my_sentinel) {
+            while (my_seq[i] != my_sentinel) {
                 print("{}", .{my_seq[i]});
                 i += 1;
             }