from tkinter import *

def draw_circle(canvas, x, y, r):

   """Draw a circle on the given canvas at (x, y) with radius r."""

   canvas.create_oval(x - r, y - r, x + r, y + r, outline="blue", fill="blue")

# Create the main window

window = Tk()

window.title("Draw a Circle")

# Create a canvas

canvas = Canvas(window, width=400, height=400)

canvas.pack()

# Draw a circle at (200, 200) with radius 50

draw_circle(canvas, 200, 200, 50)

window.mainloop()

from tkinter import *

def draw_rectangle(canvas, x1, y1, x2, y2):

   """Draw a rectangle on the given canvas from (x1, y1) to (x2, y2)."""

   canvas.create_rectangle(x1, y1, x2, y2, outline="red", fill="red")

# Create the main window

window = Tk()

window.title("Draw Rectangles")

# Create a canvas

canvas = Canvas(window, width=500, height=500)

canvas.pack()

# Draw multiple rectangles

draw_rectangle(canvas, 50, 50, 100, 100)

draw_rectangle(canvas, 150, 150, 200, 250)

draw_rectangle(canvas, 300, 100, 400, 200)

window.mainloop()

from tkinter import *

def draw_grid(canvas, rows, cols, width, height):

   """Draw a grid on the given canvas with the specified number of rows and columns."""

   cell_width = width // cols

   cell_height = height // rows

   for row in range(rows):

       for col in range(cols):

           x1 = col * cell_width

           y1 = row * cell_height

           x2 = x1 + cell_width

           y2 = y1 + cell_height

           canvas.create_rectangle(x1, y1, x2, y2, outline="black")

# Create the main window

window = Tk()

window.title("Draw a Grid")

# Create a canvas

canvas = Canvas(window, width=400, height=400)

canvas.pack()

# Draw a grid pattern with 10 rows and 10 columns

draw_grid(canvas, 10, 10, 400, 400)

window.mainloop()

from tkinter import *

import random

def draw_lines(canvas, num_points):

   """Draw lines connecting random points on the canvas."""

   points = [(random.randint(0, 400), random.randint(0, 400)) for _ in range(num_points)]

   for i in range(num_points - 1):

       x1, y1 = points[i]

       x2, y2 = points[i + 1]

       canvas.create_line(x1, y1, x2, y2, fill="green", width=2)

# Create the main window

window = Tk()

window.title("Random Lines")

# Create a canvas

canvas = Canvas(window, width=400, height=400)

canvas.pack()

# Draw lines connecting random points

draw_lines(canvas, 10)

window.mainloop()