human
Generate all numbers up to N in Lexicographical Order | Python program for the above approach.
Driver code"
How can the above be solved in Python?

Write me a code to generate all numbers up to N in Lexicographical Order and the other steps required?
assistant
#Here is code to generate all numbers up to N in Lexicographical Order and the other steps required.
 def lexNumbers ( n ) :
	sol = [ ]
	dfs ( 1 , n , sol )
	print ( " [ " , sol [ 0 ] , end = " " , sep = " " )
	for i in range ( 1 , n ) :
		print ( " , ▁ " , sol [ i ] , end = " " , sep = " " ) print ( " ] " )
def dfs ( temp , n , sol ) :
	if ( temp > n ) :
		return
	sol . append ( temp )
	dfs ( temp * 10 , n , sol )
	if ( temp % 10 != 9 ) :
		dfs ( temp + 1 , n , sol )
n = 15
lexNumbers ( n )