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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
+    return num+sum_numbers(num-1)
+result=sum_numbers(100)
+print(result)
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diy2.py

+def func(n):
+    if n<=2:
+        return 1
+    elif n>2:
+        values=func(n-1)+func(n-2)
+        return values
+result=func(8)
+print(result)
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