########## start of Rectangle class class Rectangle: def init (self, length, width) : self.length = length self.width = width def GetLength(self): return self.length def GetWidth(self) : return self.width def GetArea (self): return self.length * self.width def SetScale (self, scale): self.length = self.length * scale self.width = self.width * scale #### start of main program rec. = Rectangle (3,5) rectangleArea=rec.GetArea() print ('Rectangle Area: ' , rectangleArea) for in range (2, 5) : width = rec.GetWidth () print (' Current rectangle width:', width) rec.SetScale ( rs ) print (' Scale factor applied:', rs) width=rec.GetWidth() print (' New rectangle width: ', width) ####### end of program 2. Update the class Rectangle in problem 1 to add the following methods: a. GetPerimeter: this method will calculate and return the perimeter of the rectangle. b. Issquare: this method will check whether the rectangle is a square, i.e. the length equals the width.

########## start of Rectangle class class Rectangle: def init (self, length, width) : self.length = length self.width = width def GetLength(self): return self.length def GetWidth(self) : return self.width def GetArea (self): return self.length * self.width def SetScale (self, scale): self.length = self.length * scale self.width = self.width * scale #### start of main program rec. = Rectangle (3,5) rectangleArea=rec.GetArea() print ('Rectangle Area: ' , rectangleArea) for in range (2, 5) : width = rec.GetWidth () print (' Current rectangle width:', width) rec.SetScale ( rs ) print (' Scale factor applied:', rs) width=rec.GetWidth() print (' New rectangle width: ', width) ####### end of program 2. Update the class Rectangle in problem 1 to add the following methods: a. GetPerimeter: this method will calculate and return the perimeter of the rectangle. b. Issquare: this method will check whether the rectangle is a square, i.e. the length equals the width.

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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Question

Please do question 2! Thank You!

########## start of Rectangle class
class Rectangle:
def
init
(self, length, width) :
self.length =
length
self.width = width
def GetLength(self):
return self.length
def GetWidth(self) :
return self.width
def GetArea (self):
return
self.length * self.width
def SetScale (self, scale):
self.length = self.length * scale
self.width
= self.width * scale
#### start of main program
rec. = Rectangle (3,5)
rectangleArea=rec.GetArea()
print ('Rectangle Area: '
, rectangleArea)
for
in
range (2, 5) :
width = rec.GetWidth ()
print ('
Current rectangle width:', width)
rec.SetScale ( rs )
print ('
Scale factor applied:', rs)
width=rec.GetWidth()
print ('
New rectangle width: ', width)
####### end of program

2. Update the class Rectangle in problem 1 to add the following methods:
a. GetPerimeter: this method will calculate and return the perimeter of the
rectangle.
b. Issquare: this method will check whether the rectangle is a square, i.e. the length
equals the width.

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