# Check strong number using recursion def Factorial(num):    if num<=0:        return 1    else:        return num*Factorial(num-1)sum=0def check_StrongNumber(num):    global sum    if (num>0):        fact = 1        rem = num % 10        check_StrongNumber(num // 10)        fact = Factorial(rem)        sum+=fact    return sumnum=int(input("Enter a number:"))if (check_StrongNumber(num) == num):    print("It is a strong Number.")else:    print("It is not a strong Number.")