return a variable from a function

[snakes]

I managed get it working, but apparently not in a way that is recommended. I simply added "global q" to the function which meant I didn't need the "return q".

There are 8 functions altogether many of which needed to provide a variable for use in the final calculation. It works well but my next task is to work out how to do it without using "global". I've got a few niggles to iron out and a few tweaks here and there first though. Overall, it's been fun!

Thank you for you help

def selected_day(event):
    global q
    q = int(combo_day.get())

combo_day = Combobox(frame)
combo_day['values'] = list (range(1,32))
combo_day.set("Choose a day")
combo_day.grid(row=2, column=0)
combo_day.bind("<<ComboboxSelected>>", selected_day)

Final calculation

def result():
    day_code={  0:"Saturday",
                1:"Sunday",
                2:"Monday",
                3:"Tuesday",
                4:"Wednesday",
                5:"Thursday",
                6:"Friday"}
    if year_input == 1752 and m == 9 and q <3:
        day = day_code[(q + 13*(m+1)//5 + k + k//4 + 5 - j) %7]
        print_result = Label(frame, text=day).grid(row=4, column=0)
    else: 
        day = day_code[(q + 13*(m+1)//5 + k + k//4 + j//4 - 2*j) %7]
        print_result = Label(frame, text=day).grid(row=4, column=0)