ee Snip for detail of question. Template.py: import turtle as t class CenteredPolygon: def __init__(self, n, size, center=(0, 0), pen=None, **kwargs): self.numsides = n self.size = size self.center = center self.corners = [] self.pen = pen if pen is not None else self.init_pen(**kwargs) self.draw() def init_pen(self, **kwargs): pen = t.Turtle() for key, value in kwargs.items(): try: f = getattr(pen, key) f(value) except Exception as e: print(e) return pen def set_corners(self) -> list: p = self.pen p.pu() p.goto(self.center) for i in range(self.numsides): p.forward(self.size/2) self.corners.append(p.pos()) p.back(self.size/2) p.left(360/self.numsides) p.goto(self.center) return self.corners def draw(self): if not self.corners: self.set_corners() p = self.pen # p.clear() p.pu() p.goto(self.corners[0]) p.pd() p.begin_fill() for i in self.corners: p.goto(i) p.goto(self.corners[0]) p.end_fill() p.pu() p.goto(self.center) p.ht() t.update() class MyPolygon(CenteredPolygon): def rotate_by(self, theta, degrees=False): ... if __name__ == '__main__': # DO NOT EDIT t.tracer(100) import random, time from random import randint as r random.seed(3) n = 3 col = lambda: "#"+"".join(f"{r(0, 255):02x}" for _ in range(3)) polys = [] size = 500 for i in range(6): polys.append(MyPolygon(n, size, (0, 0), color=col())) size -= 50 while True: for a in range(0, 180, 90): for p in polys: p.rotate_by(a, degrees=True) a *= -1 t.update() time.sleep(0.1)

ee Snip for detail of question. Template.py: import turtle as t class CenteredPolygon: def init(self, n, size, center=(0, 0), pen=None, kwargs): self.numsides = n self.size = size self.center = center self.corners = [] self.pen = pen if pen is not None else self.init_pen(kwargs) self.draw() def init_pen(self, **kwargs): pen = t.Turtle() for key, value in kwargs.items(): try: f = getattr(pen, key) f(value) except Exception as e: print(e) return pen def set_corners(self) -> list: p = self.pen p.pu() p.goto(self.center) for i in range(self.numsides): p.forward(self.size/2) self.corners.append(p.pos()) p.back(self.size/2) p.left(360/self.numsides) p.goto(self.center) return self.corners def draw(self): if not self.corners: self.set_corners() p = self.pen # p.clear() p.pu() p.goto(self.corners[0]) p.pd() p.begin_fill() for i in self.corners: p.goto(i) p.goto(self.corners[0]) p.end_fill() p.pu() p.goto(self.center) p.ht() t.update() class MyPolygon(CenteredPolygon): def rotate_by(self, theta, degrees=False): ... if name == 'main': # DO NOT EDIT t.tracer(100) import random, time from random import randint as r random.seed(3) n = 3 col = lambda: "#"+"".join(f"{r(0, 255):02x}" for _ in range(3)) polys = [] size = 500 for i in range(6): polys.append(MyPolygon(n, size, (0, 0), color=col())) size -= 50 while True: for a in range(0, 180, 90): for p in polys: p.rotate_by(a, degrees=True) a *= -1 t.update() time.sleep(0.1)

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Related questions

Question

See Snip for detail of question.

Template.py:

import turtle as t

class CenteredPolygon:

def __init__(self, n, size, center=(0, 0), pen=None, **kwargs):

self.numsides = n

self.size = size

self.center = center

self.corners = []

self.pen = pen if pen is not None else self.init_pen(**kwargs)

self.draw()

def init_pen(self, **kwargs):

pen = t.Turtle()

for key, value in kwargs.items():

try:

f = getattr(pen, key)

f(value)

except Exception as e:

print(e)

return pen

def set_corners(self) -> list:

p = self.pen

p.pu()

p.goto(self.center)

for i in range(self.numsides):

p.forward(self.size/2)

self.corners.append(p.pos())

p.back(self.size/2)

p.left(360/self.numsides)

p.goto(self.center)

return self.corners

def draw(self):

if not self.corners:

self.set_corners()

p = self.pen

# p.clear()

p.pu()

p.goto(self.corners[0])

p.pd()

p.begin_fill()

for i in self.corners:

p.goto(i)

p.goto(self.corners[0])

p.end_fill()

p.pu()

p.goto(self.center)

p.ht()

t.update()

class MyPolygon(CenteredPolygon):

def rotate_by(self, theta, degrees=False):

...

if __name__ == '__main__':

# DO NOT EDIT

t.tracer(100)

import random, time

from random import randint as r

random.seed(3)

n = 3

col = lambda: "#"+"".join(f"{r(0, 255):02x}" for _ in range(3))

polys = []

size = 500

for i in range(6):

polys.append(MyPolygon(n, size, (0, 0), color=col()))

size -= 50

while True:

for a in range(0, 180, 90):

for p in polys:

p.rotate_by(a, degrees=True)

a *= -1

t.update()

time.sleep(0.1)

Using the given template.py script define the class MyPolygon as prescribed in the diagram below. The rotate method must change the orientation of the drawn shape by a specified angle (given by default in radians).
NB: Do not edit the code under main
<block
CenteredPolygon
<blocka
MyPolygon
operations
rotate_by( theta, degree False)

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