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+# Variables can be declared using the `var` keyword, however they will be mutable. 
+# If you would like to make the variable immutable you can use `val`
+#
+# Variables can not be exported and can not be referrenced accross modules.
+var x = 0;
+val y = 0;
+
+x = 5; # Valid
+y = 5; # Invalid
+
+# Constants can be declared using the `const` keyword, unlike variables they can
+# be exported and accessed across modules.
+const FPS = 60;
+
+pub const WIDTH = 5;
+pub const HEIGHT = 17;