执行python命令前的python命令按钮

Question

我正在编写代码，只需单击一个按钮，就可以将两个变量传递给函数。问题是，它是在按下按钮之前这样做的。我做错什么了？在

calcButton = Button(window, text="Calculate Weight",
                            command=window.calc(5,10))
        calcButton.place(x=225, y=85)
        answertextLabel = Label(window, text="Answer:")
        answertextLabel.place(x=225, y=65)
        answerLabel = Label(window, text=answervar)
        answerLabel.place(x=275, y=65)

    def calc(window, diameter, density):
        math = diameter + density
        print (math)

Answer 1

当您执行window.calc(5,10)时，函数将被执行。在

您需要将其包装在另一个函数中：

command=lambda: window.calc(5,10)