save project

diy2.py

@@ -4,7 +4,7 @@ def func(n):
     if n <= 2:
         return 1
     elif n > 2:
-        value = func(n-1)+func(n+1)
+        value = func(n-1)+func(n-2)
         return value
 print(func(15)) #调用函数并打印结果