本文介绍了如何从python中的另一个方法值中减去一个方法值?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我一直试图从另一个方法值中减去一个方法值，但即使我使用变量，它也会给我一个错误.
I've being trying to subtract a method value from another method value but it gives me a an error even when I use variables.
from tkinter import *
statistics = Tk()
screenwidth = statistics.winfo_screenwidth
windowwidth = statistics.winfo_width
distance = screenwidth - windowwidth
statistics.geometry(+distance+'0')
推荐答案
您正在尝试减去两个函数.您想减去调用函数的结果.试试这个:
You're trying to subtract two functions. You want to subtract the results of calling the functions. Try this:
from Tkinter import *
statistics = Tk()
screenwidth = statistics.winfo_screenwidth()
windowwidth = statistics.winfo_width()
distance = screenwidth - windowwidth
statistics.geometry('+%s+0' % distance)
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