Rene Pijlman wrote: > ferdydurke: >>... a,b,c = b,a+b,c+1 > > b is set to a + b. > > [...] >>... a=b >>... b=a+b > ^ > This a has a different value now, because of the previous statement. > So this sets b to b + b. > thanks a lot for the reply, I gotcha now