Answer
code
Work Step by Step
# 9.33 (Draw an arrow line) Write a program that randomly draws an arrow line when
# the Draw a Random Arrow Line button is clicked, as shown in Figure 9.40b.
import random
from tkinter import *
class MainGUI:
def __init__(self):
window = Tk()
self.canvas = Canvas(window, width=300, height=300, bg="white")
self.canvas.pack()
btn = Button(window, text="Draw a random arrow line", command=self.draw)
btn.pack()
window.mainloop()
def draw(self):
self.canvas.delete("line")
x1 = random.randint(5, 290)
y1 = random.randint(5, 290)
x2 = random.randint(5, 290)
y2 = random.randint(5, 290)
self.canvas.create_line(x1, y1, x2, y2, arrow=LAST, tags="line")
MainGUI()
