CODE:Python class PriceChecker(): # Constructor def __init__(self): self.levelsList = [] # Properties # A property is defined like a method, but you use it in your # code like a variable (no parentheses need to followed it when used in your code) @property def levelsList(self): return self.__levelsList @levelsList.setter 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 ... # Print the items in the list (Based on the above sort, numbers should appear from large to small.) ... # 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("MENU 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 ... except: # Print and error message if the user entered invalid input ... # 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 ... except: # Print and error message if the user entered invalid input ... # Method: Set levelsList to an empty list def removeAllLevels(self): # Set levelsList to an empty list ... # 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() create an app that keeps an eye on the Bitcoin price - via the BitMex exchange. The app must also sound an alarm if the price moves above or below any of the user-entered price levels. Instructions 1.Complete all code sections that are marked with ellipsis (…). Base your code on the functionality of the particular method and the comments added above the ellipsis. The methods in question are displayList(), addLevel(), removeLevel() and removeAllLevels(). Test your code thoroughly. All options on the provided Menu must function correctly

CODE:Python class PriceChecker(): # Constructor def init(self): self.levelsList = [] # Properties # A property is defined like a method, but you use it in your # code like a variable (no parentheses need to followed it when used in your code) @property def levelsList(self): return self.levelsList @levelsList.setter 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 ... # Print the items in the list (Based on the above sort, numbers should appear from large to small.) ... # 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("MENU 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 ... except: # Print and error message if the user entered invalid input ... # 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 ... except: # Print and error message if the user entered invalid input ... # Method: Set levelsList to an empty list def removeAllLevels(self): # Set levelsList to an empty list ... # 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() create an app that keeps an eye on the Bitcoin price - via the BitMex exchange. The app must also sound an alarm if the price moves above or below any of the user-entered price levels. Instructions 1.Complete all code sections that are marked with ellipsis (…). Base your code on the functionality of the particular method and the comments added above the ellipsis. The methods in question are displayList(), addLevel(), removeLevel() and removeAllLevels(). Test your code thoroughly. All options on the provided Menu must function correctly

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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Question

CODE:Python

class PriceChecker():

# Constructor

def __init__(self):

self.levelsList = []

# Properties

# A property is defined like a method, but you use it in your

# code like a variable (no parentheses need to followed it when used in your code)

@property

def levelsList(self):

return self.__levelsList

@levelsList.setter

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

...

# Print the items in the list (Based on the above sort, numbers should appear from large to small.)

...

# 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("MENU 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

...

except:

# Print and error message if the user entered invalid input

...

# 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

...

except:

# Print and error message if the user entered invalid input

...

# Method: Set levelsList to an empty list

def removeAllLevels(self):

# Set levelsList to an empty list

...

# 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()

create an app that keeps an eye on the Bitcoin price - via the BitMex exchange.

The app must also sound an alarm if the price moves above or below any of the user-entered price levels.

Instructions

1.Complete all code sections that are marked with ellipsis (…). Base your code on the functionality of the particular method and the comments added above the ellipsis. The methods in question are displayList(), addLevel(), removeLevel() and removeAllLevels().

Test your code thoroughly. All options on the provided Menu must function correctly

Expert Solution