Fix indent

Chaoyingz · web-flow · commit d26ca87a05c1 · 2023-07-19T11:22:22.000+08:00
diff --git a/Exercises/ex2_2.md b/Exercises/ex2_2.md
@@ -35,7 +35,7 @@ def read_portfolio(filename):
                 'name' : row[0],
                 'shares' : int(row[1]),
                 'price' : float(row[2])
-                }
+            }
             portfolio.append(record)
     return portfolio
 ```
