On 07/19/2012 06:58 PM, Alexander Q. wrote: > I have this little program that is supposed to calculate how many diagonals > a polygon of x sides has, but it does not return what I have in the > "return" part of the function when I call it. Here is the code: > > def num_diag(var): > ans = 0 > if var <= 3: > print("No diagonals.") > else: > for i in range(num_sides - 3): > ans = ans + i > > return (((var - 3)*2) + ans) > > num_sides = (int(raw_input("Enter sides: "))) > num_diag(num_sides) > > > Any suggestions as to what is going on? When I run it, it prompts me for > the number of sides, and that's it. > Thanks. > >
You never use the return value. Try assigning it, and printing it. result = num_diag(num_sides) print("final answer=", result) -- DaveA _______________________________________________ Tutor maillist - Tutor@python.org To unsubscribe or change subscription options: http://mail.python.org/mailman/listinfo/tutor