more example functions

Author: Brainy0789

.vscode/settings.json

@@ -0,0 +1,11 @@
+{
+    "python.testing.unittestArgs": [
+        "-v",
+        "-s",
+        ".",
+        "-p",
+        "*_test.py"
+    ],
+    "python.testing.pytestEnabled": false,
+    "python.testing.unittestEnabled": true
+}

docs/ExampleFunctions.bs

@@ -12,4 +12,29 @@ func add x, y {
     }
 
     return x;
-}
+}
+
+//Function that takes two parameters and returns their difference
+func subtract x, y {
+    var w;
+
+    (w, y) {
+        x -;
+        w +;
+    }
+
+    return x;
+}
+
+//Function that takes two parameters and returns their product
+func multiply x,y {
+    var w;
+
+    (w, y) {
+        x = add x, x;
+        w +;
+    }
+    return x;
+}
+
+//I actually could not figure out how to make a division function. If anybody figures it out, please tell me!