diff --git a/basics.py b/basics.py
index 9547b77..b4579aa 100644
--- a/basics.py
+++ b/basics.py
@@ -1,4 +1,7 @@
-def nostrings(jumble):
-    return([number if type(number) == int else 0 for number in jumble])
+def addition(numbers):
+    total = 0
+    for number in numbers:
+        total = total + float(number)
+    return total
 
-print(nostrings([99, 'no data', 95, 94, 'no data']))
\ No newline at end of file
+print(addition(['1.2', '2.6', '3.3']))
\ No newline at end of file