diff --git a/difftest.ts b/difftest.ts
index 1301a0b..478d2a2 100644
--- a/difftest.ts
+++ b/difftest.ts
@@ -1,13 +1,10 @@
-// This file is meant to test sub-line diffing
-
 // Here I'm going to change the leading whitespace before the args
 myFunction.doWithArgs(
   arg1,
   arg2.getProperty()
 );
 
-// Here I'm going to add a third import to see if it handles the commas right
-import { foo, bar } from "library";
-
 // Here I will change the args
 const result = doSomethingWith(ThingOne, ThingTwo);
+
+console.log("added line");
diff --git a/fib.js b/fib.js
new file mode 100644
index 0000000..82441ef
--- /dev/null
+++ b/fib.js
@@ -0,0 +1,14 @@
+// program to generate fibonacci series up to n terms
+
+// take input from the user
+const number = parseInt(prompt('Enter the number of terms: '));
+let n1 = 0, n2 = 1, nextTerm;
+
+console.log('Fibonacci Series:');
+
+for (let i = 1; i <= number; i++) {
+    console.log(n1);
+    nextTerm = n1 + n2;
+    n1 = n2;
+    n2 = nextTerm;
+}
diff --git a/index.js b/index.js
index 970a04b..4fd8db3 100644
--- a/index.js
+++ b/index.js
@@ -1,5 +1,6 @@
 function main(args) {
   console.log(args);
+  console.log("Done");
 }
 
 main();