1 files changed, 8 insertions, 0 deletions
diff --git a/progs/a683.py b/progs/a683.py
new file mode 100644
index 0000000..90cb153
--- /dev/null
+++ b/progs/a683.py
@@ -0,0 +1,8 @@
+def sum_difference(n):
+    sumofsquares = 0
+    squareofsum = 0
+    for num in range(1, n+1):
+        sumofsquares += num * num
+        squareofsum += num
+    squareofsum = squareofsum ** 2
+    return squareofsum - sumofsquares
+\ No newline at end of file