auto save

diy.py

-def func (n):
+def fun (n):
     if n == 1:
     if n == 1:
         return 1
         return 1
-    func(num) = num +func(num-1)
-    return num
-func = num(1)
-print(num_1)
+    sum=fun(n-1)+n
+    return sum
+r=fun(100)
+print(r)
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