Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN: 9780133594140
Author: James Kurose, Keith Ross
Publisher: PEARSON
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Modify ccurve.py by changing the background color to yellow, and curve color to red

Code:

"""
Program file: ccurve.py
Author: Ken

This program prompts the user for the level of
a c-curve and draws a c-curve of that level.
"""

from turtle import Turtle

def cCurve(t, x1, y1, x2, y2, level):

def drawLine(x1, y1, x2, y2):
"""Draws a line segment between the endpoints."""
t.up()
t.goto(x1, y1)
t.down()
t.goto(x2, y2)

if level == 0:
drawLine(x1, y1, x2, y2)
else:
xm = (x1 + x2 + y1 - y2) // 2
ym = (x2 + y1 + y2 - x1) // 2
cCurve(t, x1, y1, xm, ym, level - 1)
cCurve(t, xm, ym, x2, y2, level - 1)

def main():
level = int(input("Enter the level (0 or greater): "))
t = Turtle()
t.hideturtle()
cCurve(t, 50, -50, 50, 50, level)

main()

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