human
Smallest positive number made up of non | Function to find smallest positive number made up of non - repeating digits whose sum of its digits is equal to n.
No such number exists.
Stores the required answer.
Store the digit at unit 's place.
Iterate until n > digit.
Push digit at the start of res.
Decrement n by digit.
Decrement digit by 1.
Push the remaining number as the starting digit.
Print the required number.
Driver Code.
Function Call"
How can the above be solved in Python?

Can you provide a code to smallest positive number made up of non and the other steps required?
assistant
#Here is code to smallest positive number made up of non and the other steps required.
 def result ( n ) :
	if ( n > 45 ) :
		print ( - 1 , end = " " )
		return
	res = " "
	digit = 9
	while ( n > digit ) :
		res = str ( digit ) + res
		n -= digit
		digit -= 1
	if ( n > 0 ) :
		res = str ( n ) + res
	print ( res )
if __name__ == ' _ _ main _ _ ' :
	N = 19
	result ( N )