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I am making a game where the balls come from up to down. It isn’t ready, but I have an error that I can’t solve. The error is like that:

Traceback (most recent call last):
  File "D:numeric.py", line 73, in <module>
    red()
  File "D:numeric.py", line 48, in red
    tahvel.create_oval(oval1y,oval1x,oval1yy,oval1xx,fill="red")
  File "C:Program FilesWindowsAppsPythonSoftwareFoundation.Python.3.8_3.8.2800.0_x64__qbz5n2kfra8p0libtkinter__init__.py", line 2798, in create_oval
    return self._create('oval', args, kw)
  File "C:Program FilesWindowsAppsPythonSoftwareFoundation.Python.3.8_3.8.2800.0_x64__qbz5n2kfra8p0libtkinter__init__.py", line 2776, in _create
    return self.tk.getint(self.tk.call(
_tkinter.TclError: invalid command name ".!canvas"

And my code looks like this:

from tkinter import*
from random import*
import time

#punane pall
oval1y=820
oval1x=50
oval1yy=880
oval1xx=110
punane=0

#sinine pall
oval2y=920
oval2x=50
oval2yy=980
oval2xx=110
sinine=0
#roheline pall
oval3y=1020
oval3x=50
oval3yy=1080
oval3xx=110
roheline=0
#kollane pall
oval4y=1120
oval4x=50
oval4yy=1180
oval4xx=110
kollane=0

raam = Tk()
raam.title("Tahvel")
tahvel = Canvas(raam, width=1900, height=1000, background="black")
tahvel.grid()
def taust():
    tahvel.create_rectangle(800,50,1200,900,fill="grey")
    tahvel.create_rectangle(890,50,910,900,fill="white")
    tahvel.create_rectangle(990,50,1010,900,fill="white")
    tahvel.create_rectangle(1090,50,1110,900,fill="white")
taust()
a=1#randint(1,4)

def red():
    print("1")
    global oval1x
    global oval1xx
    if a==1:
        tahvel.create_oval(oval1y,oval1x,oval1yy,oval1xx,fill="red")
        punane=1
        if punane==1:
            punane=0
            for i in range(100):
                oval1x +=10
                oval1xx +=10
                time.sleep(1)
                taust()
                tahvel.create_oval(oval1y,oval1x,oval1yy,oval1xx,fill="red")
                raam.after(100,red)
raam.mainloop()

What I am trying to do is to make a repeat where the balls will be moved slightly down. Right now the balls are not moved slightly down cause I want to see the ball movement. But the balls move only once down and then stop. Can someone help me? I would be really thankful.

Anonymous Asked question May 13, 2021