diff --git a/python/beginner/sum_of_all_numbers_santino.py b/python/beginner/sum_of_all_numbers_santino.py
new file mode 100644
index 0000000..c0336e5
--- /dev/null
+++ b/python/beginner/sum_of_all_numbers_santino.py
@@ -0,0 +1,12 @@
+# testcases
+a = [1,4] # 10
+b = [4,1] # 10
+
+# function to calculate sum of all numbers between lowest and hihest
+def sum_of_all_numbers(n):  
+  sum = 0
+  for i in range(min(a), max(a)+1):  
+    sum += i
+  print(sum)
+
+sum_of_all_numbers(b)