#NEWLINE# def subtract_params( p1 , p2 ) : #NEWLINE# #INDENT# '\n    Subtract two lists of parameters\n    ' #NEWLINE# res = [ ] #NEWLINE# for ( x , y ) in zip ( p1 , y ) : #NEWLINE# #INDENT# res . append ( ( x - y ) ) #NEWLINE# #UNINDENT# return res