ix the python code so the first image looks like the second one(images attached) class PriceChecker(): # Constructor def __init__(self): self.levelsList = [] def levelsList(self): return self.__levelsList def levelsList(self, newValue): self.__levelsList = newValue # Class Methods # ============= # Method: Sort and Display the levelsList
ix the python code so the first image looks like the second one(images attached) class PriceChecker(): # Constructor def __init__(self): self.levelsList = [] def levelsList(self): return self.__levelsList def levelsList(self, newValue): self.__levelsList = newValue # Class Methods # ============= # Method: Sort and Display the levelsList
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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fix the python code so the first image looks like the second one(images attached)
class PriceChecker():
# Constructor
def __init__(self):
self.levelsList = []
def levelsList(self):
return self.__levelsList
def levelsList(self, newValue):
self.__levelsList = newValue
# Class Methods
# =============
# Method: Sort and Display the levelsList
def displayList(self):
print(chr(27) + "[2J") # Clear the screen
print("Price Levels In The List")
print("========================")
# Sort the list in reverse order
self.levelsList.sort(reverse=True)
# Print the items in the list (Based on the above sort, numbers should appear from large to small.)
for item in self.levelsList:
print(item,end=" ")
# Display the menu and get user input about what methods to execute next
def displayMenu(self):
min = 0
max = 3
errorMsg = "Please enter a valid option between " + str(min) + " and " + str(max)
print("\nMENU OPTIONS")
print("============")
print("1. Add a price level")
print("2. Remove a price level")
print("3. Remove all price levels")
print("0. Exit the program")
print(" ")
# Get user input. Keep on requesting input until the user enters a valid number between min and max
selection = 99
while selection < min or selection > max:
try:
selection = int(input("Please enter one of the options: "))
except:
print(errorMsg) # user did not enter a number
continue # skip the following if statement
if (selection < min or selection > max):
print(errorMsg) # user entered a number outside the required range
return selection # When this return is finally reached, selection will have a value between (and including) min and max
# Method: Append a new price level to the levelsList
def addLevel(self):
try:
# Let the user enter a new float value and append it to the list
new_level = float(input('\n Enter a new level: '))
self.levelsList.append(new_level)
except:
# Print and error message if the user entered invalid input
print("This is invalid value!!")
# Method: Remove an existing price level from the levelsList
def removeLevel(self):
try:
# Let the user enter a new float value. If found in the list, remove it from the list
new_level = float(input('\n Enter a level: '))
if new_level in self.levelsList:
self.levelsList.remove(new_level)
else:
print('This level does not exist in levelList')
except:
# Print and error message if the user entered invalid input
print("This is invalid input!!")
# Method: Set levelsList to an empty list
def removeAllLevels(self):
# Set levelsList to an empty list
self.levelsList = []
# Main Code Section
# *************************************************************************************************
# Create an object based on the PriceChecker class
checkerObj = PriceChecker()
# Display the levelsList and Menu; and then get user input for what actions to take
userInput = 99
while userInput != 0:
checkerObj.displayList()
userInput = checkerObj.displayMenu()
if (userInput == 1):
checkerObj.addLevel()
elif (userInput == 2):
checkerObj.removeLevel()
elif (userInput == 3):
checkerObj.removeAllLevels()
Transcribed Image Text:Price Levels In The List
41000.0 40000.0 39000.0
MENU OPTIONS
1. Add a price level
2. Remove a price level
3. Remove all price levels
e. Exit the program
Please enter one of the options:
Transcribed Image Text:Price Levels In The List
$41,000.0
$40,000.0
$39,000.0
I
MENU OPTIONS
1. Add a price level
2. Remove a price level
3. Remove all price levels
e. Exit the program
Please enter one of the options:
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