Check if the number is a self number (and self prime) or not

self-numbers.py

# !/usr/bin/python3
# Coding: utf-8
import sys

# Function to check if number is prime
def isPrime(n):
    return all(n % i for i in range(2, n))


# Function to check for Self number 
def isSelfNumber(n): 
    for m in range(1, n + 1): 
        if (m + sum(int(digit) for digit in str(m)) == n): 
            return False
    return True


# Check if the number is a self number (and self prime) or not 
def main():
    try:
        n = sys.argv[1]
        if (isSelfNumber(int(n))):
            if isPrime(int(n)):
                print("\nYes,", n, "is a self-number AND a self-prime")
            else:
                print("\nYes,", n, "is a self-number")
        else: 
            print("\nNo,", n, "is NOT a self-number")
    except:
        print("\nProvide a number to check")


if __name__ == '__main__':
    main()