Added code to flatten elements in the list

Author: manojkumar5251

Basic Scripts/Flat_List.py

@@ -0,0 +1,14 @@
+def flat_list(list_):
+    arr = []
+    def flatter(sublist):
+        try:
+            for item in sublist:
+                if(type(item) is str):
+                    arr.append(item)
+                else:
+                    flatter(item)
+        except TypeError:
+            arr.append(sublist)
+    flatter(list_)
+
+    return arr