save project

diy1.py

-#定义一个函数sum_numbers()
-#要求这个函数能接收一个名为num的整型参数
-#要求这个函数能计算1+2+3+……+num的结果
-def sum_numbers(num):
-    if num == 1:
-        return 1
-    
-    temp = sum_numbers(num - 1)
-    return num + temp
-resnlt = sum_numbers(100)
-print(resnlt)
+def func(n):
+    if n<=2:
+        reture 1
+    elif n>2:
+    value = func(n-1)+func(n-2)
+    return value
 
 
+result = func(8)
+print(result)