NHL Teams.py

from tkinter import *
from tkinter import messagebox
import os
import sys

#Create a window named root
root = Tk()
root.title("NHL Scoreboard!")

Team_Name="Unassigned"

#tn_name fuctions assign the team name when the associated team button is clicked
def tn_Anaheim_Ducks():
    global Team_Name
    Team_Name="Ducks"
    lbl_Team_Name.config(text="Anaheim Ducks")

def tn_Boston_Bruins():
    global Team_Name
    Team_Name="Bruins"
    lbl_Team_Name.config(text="Boston Bruins")

def function_start():
    lbl_Team_Name.config(text="Start")

def main():
    global root
    global Team_Name
    if Team_Name == "Unassigned":
        messagebox.showinfo("Title", "a Tk MessageBox")
    else:
        main = Tk()
        main.title("Main!")
        root.destroy()
        lbl_Team_Def = Label(main, text="Assigned Team: ")
        lbl_Team_Def.grid(row=1,column=0)

        lbl_Team_Name = Label(main, text=Team_Name,anchor='w')
        lbl_Team_Name.grid(row=1,column=1)

#Declare the team pictures

#Declare the buttons with associated team logo/name
btn_Anaheim_Ducks = Button(root,text="Anaheim Ducks",compound="top",command=tn_Anaheim_Ducks)
btn_Boston_Bruins = Button(root,text="Boston Bruins",compound="top",command=tn_Boston_Bruins)
btn_Start = Button(root,text="Start", compound="top",command=main,width=12,height=3)

#Organize the buttons in a 5x6 grid
btn_Anaheim_Ducks.grid(row=1,column=1)
btn_Boston_Bruins.grid(row=1,column=2)

lbl_Team_Def = Label(root, text="Assigned Team: ")
lbl_Team_Def.grid(row=7,column=1)

lbl_Team_Name = Label(root, text=Team_Name,anchor='w')
lbl_Team_Name.grid(row=7,column=2)

btn_Start.grid(row=7,column=3)

#Run the main windows
root.mainloop()