In Python IDLE: In the attached image is a class. I have used highlighter to outline a small segment of the code. I want to know- what does this portion of code do? What is the purpose of this code segment? Why do I need this peice of code?

Programming Logic & Design Comprehensive
9th Edition
ISBN:9781337669405
Author:FARRELL
Publisher:FARRELL
Chapter11: More Object-oriented Programming Concepts
Section: Chapter Questions
Problem 5RQ
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In Python IDLE: In the attached image is a class. I have used highlighter to outline a small segment of the code. I want to know- what does this portion of code do? What is the purpose of this code segment? Why do I need this peice of code? 

lass Volume:
# constructor with default value of vol = 0
init_(self, vol=0):
self.set(vol)
%3D
def
# String representation of the object
repr_(self) -> str:
return f"Volume({str(self.volume)})"
def set(self, vol):
def
self.volume = vol
%3D
if self.volume > 11:
self.volume = 11
%3D
if self.volume < 0:
self.volume = 0
def get(self):
return selfuvolume
def up(self, amount):
self.set(self.volume + amount)
def down(self, amount):
self.set(self.volume - amount)
eq_(self, other) -> bool:
if isinstance(other, Volume):
def
return self.volume == other.volume
else:
# if wrong type, just return false
return False
Transcribed Image Text:lass Volume: # constructor with default value of vol = 0 init_(self, vol=0): self.set(vol) %3D def # String representation of the object repr_(self) -> str: return f"Volume({str(self.volume)})" def set(self, vol): def self.volume = vol %3D if self.volume > 11: self.volume = 11 %3D if self.volume < 0: self.volume = 0 def get(self): return selfuvolume def up(self, amount): self.set(self.volume + amount) def down(self, amount): self.set(self.volume - amount) eq_(self, other) -> bool: if isinstance(other, Volume): def return self.volume == other.volume else: # if wrong type, just return false return False
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