human
a | A iterative function that removes consecutive duplicates from string S.
We don 't need to do anything for  empty or single character string..
j is used to store index is result string ( or index of current distinct character ).
Traversing string.
If current character S [ i ] is different from S [ j ].
Driver Code"
Solution in Python:

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What is a code to a and the other steps required?
assistant
#Here is code to a and the other steps required.
 def removeDuplicates ( S ) :
	n = len ( S )
	if ( n < 2 ) :
		return
	j = 0
	for i in range ( n ) :
		if ( S [ j ] != S [ i ] ) :
			j += 1
			S [ j ] = S [ i ]
	j += 1
	S = S [ : j ]
	return S
if __name__ == ' _ _ main _ _ ' :
	S1 = " geeksforgeeks "
	S1 = list ( S1 . rstrip ( ) )
	S1 = removeDuplicates ( S1 )
	print ( * S1 , sep = " " )
	S2 = " aabcca "
	S2 = list ( S2 . rstrip ( ) )
	S2 = removeDuplicates ( S2 )
	print ( * S2 , sep = " " )