Python-Why does different Tk labels appear as same coordinate and as different objects?

Question

I tried to create some Label subclass in Python to tell you its x and y coordinates. However, when I queried any label, it would always return (1,1), even though the Tk objects are different. For example, I clicked the (2,2) and (4,5) labels, the output:

Python 3.5.1 (v3.5.1:37a07cee5969, Dec  6 2015, 01:38:48) [MSC v.1900 32 bit (Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> 
============================== RESTART: C:/program.py==============================
(1, 1)
.53825904

(1, 1)
.53826736

>>>  

X and Y are the same, even though objects are different! (OK, I might have clicked a different coordinate, but what's to care is that the labels are not on the same coordinate)

Here is the faulty code:

try:
    from tkinter import * # Py3
except ImportError:
    from Tkinter import * # Py2

class _MyLabel(Label):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.x = None
        self.y = None
    def grid(self, x, y):
        self.x = x
        self.y = y
        super().grid(row=y, column=x)
    def location(self):
        return (7 - x + 1, 7 - y + 1)

def gen():
    pass

def check(event):
    print(event.widget.location())
    print(event.widget)
    print()

root = Tk()
sqs = [[_MyLabel(root, height=1, width=2, relief=SUNKEN, bg='white') for i in range(8)] for i in range(8)]
seq = []
for x in range(8):
    for y in range(8):
        sqs[y][x].grid(x, y)
        sqs[y][x].bind('<Button-1>', check)


mainloop()

What's wrong?

Answer 1

Use self.x and self.y in location() instead of x and y. I will spare you an explanation because I guess you just overlooked it.