diff --git a/Python/armstrong_num.py b/Python/armstrong_num.py
new file mode 100644
index 0000000..c8ab56a
--- /dev/null
+++ b/Python/armstrong_num.py
@@ -0,0 +1,11 @@
+num = int(input('enter the nuber'))
+s = 0
+temp = num
+while temp > 0:
+c = temp % 10
+s += c**3
+temp //= 10
+if s == num:
+print('armstrong number')
+else:
+print('not an armstrong number')