Python 条件满足后，如何让按钮显示？

这就是我的代码目前的样子

sub1 = Tk()
sub1.title("Checklist")
sub1.geometry("1500x800")

def spawnButton():
    if finalVar==5:
        bQuit = Button(sub1, text="You are good to go!", command=destroy).grid(sticky="W", row=7, pady=10)

def destroy():
    sub1.destroy()

var1 = IntVar()
var2 = IntVar()
var3 = IntVar()
var4 = IntVar()
var5 = IntVar()
finalVar = var1.get() + var2.get() + var3.get() + var4.get() + var5.get()

ck1 = Label(sub1, text="Here is a checklist to help you determine if you are ready to go out!").grid(sticky="W", row=0)
ck2 = Checkbutton(sub1, text="Face Mask", variable=var1, command=spawnButton).grid(sticky="W", row=1, pady=(30,0))
ck3 = Checkbutton(sub1, text="Hand Sanitizer", variable=var2, command=spawnButton).grid(sticky="W", row=2)
ck4 = Checkbutton(sub1, text="MySejahtera application installed on mobile phone", variable=var3, command=spawnButton).grid(sticky="W", row=3)
ck5 = Checkbutton(sub1, text="Wallet with enough money for expenditures", variable=var4, command=spawnButton).grid(sticky="W", row=4)
ck6 = Checkbutton(sub1, text="Identity Card", variable=var5, command=spawnButton).grid(sticky="W", row=5)
ck7 = Checkbutton(sub1, text="Driving License (if applicable)").grid(sticky="W", row=6)

其思想是，当用户检查所有ck2-ck6（ck7不相关）时，spawnButton（）创建一个按钮，然后允许用户单击该按钮并关闭窗口

代码在CMD上运行良好，但是当我检查所有ck2-ck6时，按钮并没有像我希望的那样生成

任何帮助都将不胜感激。谢谢大家!

（归功于@Wups）

为了澄清，这里是更新的代码

from tkinter import *

sub1 = Tk()
sub1.title("Checklist")
sub1.geometry("500x300")

def spawnButton():
    finalVar = var1.get() + var2.get() + var3.get() + var4.get() + var5.get()   # add this line
    if finalVar==5:
        bQuit = Button(sub1, text="You are good to go!", command=destroy).grid(sticky="W", row=7, pady=10)

def destroy():
    sub1.destroy()

var1 = IntVar()
var2 = IntVar()
var3 = IntVar()
var4 = IntVar()
var5 = IntVar()

ck1 = Label(sub1, text="Here is a checklist to help you determine if you are ready to go out!").grid(sticky="W", row=0)
ck2 = Checkbutton(sub1, text="Face Mask", variable=var1, command=spawnButton).grid(sticky="W", row=1, pady=(30,0))
ck3 = Checkbutton(sub1, text="Hand Sanitizer", variable=var2, command=spawnButton).grid(sticky="W", row=2)
ck4 = Checkbutton(sub1, text="MySejahtera application installed on mobile phone", variable=var3, command=spawnButton).grid(sticky="W", row=3)
ck5 = Checkbutton(sub1, text="Wallet with enough money for expenditures", variable=var4, command=spawnButton).grid(sticky="W", row=4)
ck6 = Checkbutton(sub1, text="Identity Card", variable=var5, command=spawnButton).grid(sticky="W", row=5)
ck7 = Checkbutton(sub1, text="Driving License (if applicable)").grid(sticky="W", row=6)

sub1.mainloop()

输出

---

该值在开始时分配给

finalVar

一次。你需要把它变成一个函数，或者只是在

spawnButton

@Wups中检查var1到5，那么如果我在if语句之前将finalVar=var1.get（）+var2.get（）+var3.get（）+var4.get（）+var5.get（）移动到spawnButton中，它会工作吗？我刚试过，但按钮仍然没有生成：/我刚测试过。它适合我。您应该只有一个

Tk（）

对象。变量

sub1

看起来不是唯一的变量。如果您需要多个窗口，请使用

Toplevel

小部件。