Update Armstrong_number.py

Script can now work with all the numbers of lenght n and base 10

Author: Piombacciaio

Armstrong_number.py

@@ -1,21 +1,24 @@
-def is_armstrong_number(number):
-    total = 0
+"""
+In number theory, a narcissistic number (also known as a pluperfect digital invariant (PPDI), an Armstrong number (after Michael F. Armstrong) or a plus perfect number), 
+in a given number base b, is a number that is the total of its own digits each raised to the power of the number of digits.
+Source: https://en.wikipedia.org/wiki/Narcissistic_number
+NOTE:
+this scripts only works for number in base 10
+"""
 
-    # find the sum of the cube of each digit
-    temp = number
-    while temp > 0:
-        digit = temp % 10
-        total += digit ** 3
-        temp //= 10
+def is_armstrong_number(number:str):
+    total:int = 0
+    exp:int = len(number) #get the number of digits, this will determinate the exponent
+
+    digits:list[int] = []
+    for digit in number: digits.append(int(digit)) #get the single digits
+    for x in digits: total += x ** exp #get the power of each digit and sum it to the total
 
-    # return the result
-    if number == total:
-        return True
+    # display the result
+    if int(number) == total:
+       print(number,"is an Armstrong number")
     else:
-        return False
+       print(number,"is not an Armstrong number")
 
-number = int(input("Enter the number: "))
-if is_armstrong_number(number):
-    print(number,"is an Armstrong number")
-else:
-    print(number,"is not an Armstrong number")
+number = input("Enter the number : ")
+is_armstrong_number(number)