human
Check if the given Prufer sequence is valid or not | Function that returns true if given Prufer sequence is valid.
Iterate in the Prufer sequence.
If out of range.
Driver code"
Solution in Python:

Can you provide a code to check if the given Prufer sequence is valid or not and the other steps required?
assistant
#Here is code to check if the given Prufer sequence is valid or not and the other steps required.
 def isValidSeq ( a , n ) :
	nodes = n + 2 ;
	for i in range ( n ) :
		if ( a [ i ] < 1 or a [ i ] > nodes ) :
			return False ;
	return True ;
if __name__ == " _ _ main _ _ " :
	a = [ 4 , 1 , 3 , 4 ] ;
	n = len ( a ) ;
	if ( isValidSeq ( a , n ) ) :
		print ( " Valid " ) ;
	else :
		print ( " Invalid " ) ;