from tkinter import *

root = Tk()
c = Canvas(width=800,height=500,bg='grey80')
c.pack()

Menu = c.create_rectangle(100,0,700,50,fill="orange")
Text_Menu = c.create_text(400,20,text="Vitya and Ivan restaurant",anchor="w")
Drinks = c.create_rectangle(50,100,250,250,fill="blue")
Hot_Dishes = c.create_rectangle(300,100,500,250, fill = "yellow")
Snacks = c.create_rectangle(550,100,750,250, fill = "purple")
Desserts = c.create_rectangle(50,300,250,450, fill = "red")
Sushi = c.create_rectangle(300,300,500,450, fill = "magenta")
Buisiness = c.create_rectangle(550,300,750,450, fill = "green")
sum = 0


def Drinks_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    Drinks1 = c.create_rectangle(50,100,250,250,fill="blue")
    Drinks2 = c.create_rectangle(300,100,500,250, fill = "blue")
    Drinks3 = c.create_rectangle(550,100,750,250, fill = "blue")
    Drinks4 = c.create_rectangle(50,300,250,450, fill = "blue")
    Drinks5 = c.create_rectangle(300,300,500,450, fill = "blue")
    Drinks6 = c.create_rectangle(550,300,750,450, fill = "blue")
    def Drinks1_func(event):
        global sum
        sum = sum + 100
        print(sum)
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
        c.delete(Drinks1)
        c.delete(Drinks2)
        c.delete(Drinks3)
        c.delete(Drinks4)
        c.delete(Drinks5)
        c.delete(Drinks6)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)
    c.tag_bind(Drinks1,'<Button-1>', Drinks1_func)


def Hot_Dishes_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)


def Snacks_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)


def Desserts_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)


def Sushi_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)


def Buisiness_func(event):
    c1 = c.create_rectangle(0,0,800,500,fill="grey80")
    Back_Button = c.create_rectangle(100,0,700,50,fill="black")
    def Back_Button_func(event):
        c.delete(c1)
        c.delete(Back_Button)
    c.tag_bind(Back_Button,'<Button-1>', Back_Button_func)



c.tag_bind(Drinks,'<Button-1>', Drinks_func)
c.tag_bind(Hot_Dishes,'<Button-1>', Hot_Dishes_func)
c.tag_bind(Snacks,'<Button-1>', Snacks_func)
c.tag_bind(Desserts,'<Button-1>', Desserts_func)
c.tag_bind(Sushi,'<Button-1>', Sushi_func)
c.tag_bind(Buisiness,'<Button-1>', Buisiness_func)

mainloop()