>def sum2(N): > b = np.arange(1,N+1,1) > mylist = [ ] > for i in b: > terms = 2*(1+3**(i-1)) > a = mylist.append[terms] > return np.sum(mylist)
>print(sum2(N=50)) You have an error such as: a = mylist.append(terms) _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: https://mail.python.org/mailman/listinfo/tutor
