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+//
+// The last two exercises were functionally identical. Continue
+// expressions really show their utility when used with 'continue'
+// statements!
+//
+// Example:
+//
+//     while (condition) : (continue expression) {
+//
+//         if (other condition) continue;
+//
+//     }
+//
+// The "continue expression" executes every time the loop restarts
+// whether the "continue" statement happens or not.
+//
+const std = @import("std");
+
+pub fn main() void {
+    var n: u32 = 1;
+
+    // I want to print every number between 1 and 20 that is NOT
+    // divisible by 3 or 5.
+    while (n <= 20) : (n += 1) {
+        // The '%' symbol is the "modulo" operator and it
+        // returns the remainder after division.
+        if (n % 3 == 0) ???;
+        if (n % 5 == 0) ???;
+        std.debug.print("{} ", .{n});
+    }
+
+    std.debug.print("\n", .{});
+}