Update flatten_array.py

prabhupant · web-flow · commit 2bf183ecbf0d · 2019-10-25T10:47:55.000+05:30
diff --git a/data_structures/array/flatten_array.py b/data_structures/array/flatten_array.py
@@ -8,4 +8,6 @@
 for sub in lst:
   if isinstance(sub, list):
     flat.extend(sub)
+  else:
+    flat.append(sub)
   
