From 15d938d930c620bb3d0af2fe78d068a56b7862be Mon Sep 17 00:00:00 2001
From: Brychan Dempsey <brychand@hotmail.com>
Date: Sat, 27 Nov 2021 12:11:55 +1300
Subject: [PATCH] Added undo function

---
 GPA Calculator/Program.cs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/GPA Calculator/Program.cs b/GPA Calculator/Program.cs
index 9e6da76..36f59a2 100644
--- a/GPA Calculator/Program.cs	
+++ b/GPA Calculator/Program.cs	
@@ -23,6 +23,10 @@ namespace GPA_Calculator
                 {
                     GradesList = new List<Grade>();
                 }
+                else if (inputGrade == "undo" && GradesList.Count > 0)
+                {
+                    GradesList.RemoveAt(GradesList.Count - 1);
+                }
             }
         }