From f05d888a0b621ca4e99e2b0fb6e23c097006fe41 Mon Sep 17 00:00:00 2001
From: Santo Cariotti <santo@dcariotti.me>
Date: Tue, 28 May 2024 10:29:13 +0200
Subject: Init

---
 progs/a361.py | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 progs/a361.py

(limited to 'progs/a361.py')

diff --git a/progs/a361.py b/progs/a361.py
new file mode 100644
index 0000000..e15b5df
--- /dev/null
+++ b/progs/a361.py
@@ -0,0 +1,5 @@
+def sum_Natural(n): 
+    sum = (n * (n + 1)) 
+    return int(sum) 
+def sum_Even(l,r): 
+    return (sum_Natural(int(r / 2)) - sum_Natural(int((l - 1) / 2))) 
\ No newline at end of file
-- 
cgit v1.2.3-18-g5258