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Merge pull request #1946 from Piombacciaio/patch-3
Update Armstrong_number.py
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Original file line number | Diff line number | Diff line change |
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@@ -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 | ||
""" | ||
|
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# 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 | ||
|
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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 | ||
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# 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") | ||
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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) |
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