human
Subtract 1 without arithmetic operators | Python 3 code to subtract one from a given number.
Flip all the set bits until we find a 1.
flip the rightmost 1 bit.
Driver Code"
How can the above be solved in Python?

Can you provide a code to subtract 1 without arithmetic operators and the other steps required?
assistant
#Here is code to subtract 1 without arithmetic operators and the other steps required.
 def subtractOne ( x ) :
	m = 1
	while ( ( x & m ) == False ) :
		x = x ^ m
		m = m << 1
	x = x ^ m
	return x
if __name__ == ' _ _ main _ _ ' :
	print ( subtractOne ( 13 ) )