Carsten Gaebler wrote: > > Because then you could not distinguish > > a = b = 1 > > from > > a = b == 1 Also, is f(a = b) a call with a positional argument whose value is a == b, or a keyword argument whose value is b? -- Greg Ewing, Computer Science Dept, University of Canterbury, Christchurch, New Zealand http://www.cosc.canterbury.ac.nz/~greg