Псевдокнопки и старт функции в turtle

import turtle
from turtle import *
 
sc = Screen()
sc.setup(width=400, height=400, startx=0, starty=0)
sc.setworldcoordinates(-400,-400,400,400)
 
turtle.screensize(400, 400)
 
turtle.shapesize(0.001)
turtle.shape("circle")
turtle.speed(10)
 
#menu
t1 = Turtle()
t1.speed(10)
t1.ht()
t1.pu()
t1.setpos(-400, 300)
t1.pd()
t1.forward(1000)
 
#drowing mode choosing
button_range = -370
 
for i in range(2):
    t1.pu()
    t1.setpos(button_range,320 )
    button_range = button_range + 40
    t1.pd()
    t1.write(i+1)
    t1.circle(15)
 
def goto_click_position(x,y): #mooving turtle to click pos
    print("Clicked: ",[x,y])
    if mode == 1:
        turtle.pu()
        print("PenUp")
    turtle.goto(x,y)
    turtle.pd()
    turtle.dot(2)
    print("Dot set")
    
def freehand_mode(): #freehand drowing
    turtle.ondrag(turtle.goto)
    sc.onclick(goto_click_position) 
 
pos = [[-1, -1], [-1, -1]] #click position array for all first clicks
 
def line_draw(x,y): #drowing lines
    global pos
    turtle.pu()
    turtle.goto(x,y)
    if pos[0] == [-1, -1]: 
        pos[0] = [x, y]
    else:
        pos[1] = [x, y] 
        turtle.pu()
        turtle.goto(pos[0][0],pos[0][1])
        turtle.pd()
        turtle.goto(pos[1][0],pos[1][1])
        pos = [[-1, -1], [-1, -1]]
        
mode = 2
 
def mode_select(x,y): #pseudo buttons
     turtle.goto(x,y)
     x1 = turtle.xcor()
     y1 = turtle.ycor()
     print(x1,y1)
     if (x1 >= -385.0 and x1 <= -357.0) and (y1 >= 347.0 and y1 <= 317.0):
          mode = 1
          print("mode =", mode)
 
def paint_mode(mode): #choosing mode 
     if mode == 1:
        freehand_mode(),
     if mode == 2:
        sc.onclick(line_draw),
        
sc.onclick(mode_select)
paint_mode(mode)
sc.mainloop()