gistfile1.diff

diff --git a/moonboard/views.py b/moonboard/views.py
index c400614..b80a3c6 100644
--- a/moonboard/views.py
+++ b/moonboard/views.py
@@ -34,20 +34,8 @@ def problemListView(request):
     max_grade = request.GET.get('max_grade', '8C')
     sorted_by = request.GET.get('sortedBy','')
     gradelist = ["5", "5+", "6A", "6A+", "6B", "6B+", "6C", "6C+", "7A", "7A+", "7B", "7B+", "7C", "7C+", "8A", "8A+", "8B", "8B+", "8C"]
-    filtered_gradelist =  []
-    record=False
-    for grade in gradelist:
-        if grade == min_grade:
-            record=True
-            filtered_gradelist.append(grade)
-
-        if grade == max_grade:
-            record=False
-            if grade != min_grade:
-                 filtered_gradelist.append(grade)
-        else:
-            if record:
-                filtered_gradelist.append(grade)
+
+    filtered_gradelist = gradelist[gradelist.index(min_grade):gradelist.index(max_grade)]
 
     min_overlap = request.GET.get('min_overlap')
     if not min_overlap: