@@ -0,0 +1,165 @@
+n = %5B3, 5, 7%5D%0A%0Adef double_list(x):%0A    for i in range(0, len(x)):%0A        x%5Bi%5D = x%5Bi%5D * 2%0A    return x%0A# Don't forget to return your new list!%0A%0Aprint double_list(n)%0A

Create double_list.py