human
Number of closing brackets needed to complete a regular bracket sequence | Function to find number of closing brackets and complete a regular bracket sequence.
Finding the length of sequence.
Counting opening brackets.
Counting closing brackets.
Checking if at any position the number of closing bracket is more then answer is impossible.
If possible , print ' s ' and required closing brackets ..
Driver code"
How can the above be solved in Python?

What is a code to number of closing brackets needed to complete a regular bracket sequence and the other steps required?
assistant
#Here is code to number of closing brackets needed to complete a regular bracket sequence and the other steps required.
 def completeSequence ( s ) :
	n = len ( s )
	open = 0
	close = 0
	for i in range ( n ) :
		if ( s [ i ] == ' ( ' ) :
			open += 1
		else :
			close += 1
		if ( close > open ) :
			print ( " IMPOSSIBLE " )
			return
	print ( s , end = " " )
	for i in range ( open - close ) :
		print ( " ) " , end = " " )
if __name__ == " _ _ main _ _ " :
	s = " ( ( ) ( ( ) ( "
	completeSequence ( s )