save project

diy2.py

-a = [88, 75, 72, 82, 90, 85, 78, 91]
-n=len(a)-1
-for i in range(0,n):
-    for j in range(0,n):
-        if a[j]>a[j+1]:
-            a[j],a[j+1]=a[j+1],a[j]
-    print(a)
+def sum(n):
+    if n==1:
+        return 1
+    sum_n=sum(n-1)+n
+    return sum_n
+print(sum(100))
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