huang06
diff --git a/‎app/calculator.py
+1 b/‎app/calculator.py
+1
diff --git a/‎app/smiles.py
-3 b/‎app/smiles.py
-3
@@ -1,4 +1,5 @@
 class Calculator:
+
     def add(x, y):
         return x + y
Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,5 @@`
`1`	`1`	`class Calculator:`
	`2`	`+`
`2`	`3`	`def add(x, y):`
`3`	`4`	`return x + y`
`4`	`5`