#NEWLINE# def member( x , xs ) : #NEWLINE# #INDENT# if ( len ( xs ) == 0 ) : #NEWLINE# #INDENT# return False #NEWLINE# #UNINDENT# if ( x == x [ 0 ] ) : #NEWLINE# #INDENT# return True #NEWLINE# #UNINDENT# return member ( x , xs [ 1 : ] )