On Wednesday, 21 August 2019 03:16:01 UTC+10, Ian wrote: > Or use the "pairwise" recipe from the itertools docs: > > from itertools import tee > > def pairwise(iterable): > "s -> (s0,s1), (s1,s2), (s2, s3), ..." > a, b = tee(iterable) > next(b, None) > return zip(a, b) > > for num1, num2 in pairwise(a): > print(num1, num2) >
> > Stanley C. Kitching > > Human Being > > Phoenix, Arizona > > > > -- This definitely ended up being the ticket. def pairwise(iterable): "s -> (s0,s1), (s1,s2), (s2, s3), ..." a, b = tee(iterable) next(b, None) return zip(a, b) def output_data(s): serie = fibo(input_length) x = [] y = [] for num1, num2 in pairwise(serie): y.append( num2 / num1) for item in y: x.append(y.index(item)) draw_graph(x, y) ######## Kept trying with the enumerate style for i, num in enumerate(serie): while i < len(serie)-1: x.append(int(serie[i + 1])/ int(serie[i])) i += 1 but just couldn't quite get it to work. Itertools definitely made it easier. for i, num in enumerate(serie): while i < len(serie)-1: x.append(int(serie[i + 1])/ int(serie[i])) i += 1 -- https://mail.python.org/mailman/listinfo/python-list