human
Remove first adjacent pairs of similar characters until possible | Function to remove adjacent duplicates.
Iterate for every character in the string.
If ans string is empty or its last character does not match with the current character then append this character to the string.
Matches with the previous one.
Return the answer.
Driver Code"
Solution in Python:

Give me a code to remove first adjacent pairs of similar characters until possible and the other steps required?
assistant
#Here is code to remove first adjacent pairs of similar characters until possible and the other steps required.
 def removeDuplicates ( S ) :
	ans = " " ;
	for it in S :
		if ( ans == " " or ans [ - 1 ] != it ) :
			ans += it ;
		elif ( ans [ - 1 ] == it ) :
			ans = ans [ : - 1 ] ;
	return ans ;
if __name__ == " _ _ main _ _ " :
	string = " keexxllx " ;
	print ( removeDuplicates ( string ) ) ;