1 files changed, 9 insertions, 0 deletions
diff --git a/yarnutils/vars.py b/yarnutils/vars.py
index 9349a2d..b221ba6 100644
--- a/yarnutils/vars.py
+++ b/yarnutils/vars.py
@@ -51,3 +51,12 @@ class Variables(object):
 
     def save(self):
         self._save(self._dict)
+
+    def append(self, key, value):
+        if key in self._dict:
+            if not isinstance(self[key], list):
+                raise Exception('Value for {} is not a list'.format(key))
+        if key not in self._dict:
+            self._dict[key] = []
+        self._dict[key].append(value)
+        self.save()