To make an instance variable in a class private you must change self.variable the following: O self.variable ___self.variable self._variable self.__variable
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- Class members are private by default and it's not possible to access them outside the class. True FalseT/F: Instance variables are shared by all the instances of the class. T/F: The scope of instance and static variables is the entire class. They can be declared anywhere inside a class. T/F: To declare static variables, constants, and methods, use the static modifier.java When we create an object of a class, the object's instance variables are automatically initialized with its default values without us writing code in any constructor. Choose one of the options:TrueFalse
- 14.23 LAB: Dean's list Students make the Dean's list if their GPA is 3.5 or higher. Complete the Course class by implementing the get_deans_list() instance method, which returns a list of students with a GPA of 3.5 or higher. The file main.py contains: . The main function for testing the program. Class Course represents a course, which contains a list of student objects as a course roster. (Type your code in here.) • Class Student represents a classroom student, which has three attributes: first name, last name, and GPA. (Hint: get_gpa() returns a student's GPA.) Note: For testing purposes, different student values will be used. Ex. For the following students: Henry Nguyen 3.5 Brenda Stern 2.0 Lynda Robison 3.2 Sonya King 3.9 the output is: Dean's list: Henry Nguyen (GPA: 3.5) Sonya King (GPA: 3.9)Focus on classes, objects, methods and good programming style Your task is to create a BankAccount class. Class name BankAccount Attributes _balance float _pin integer Methods init () get_pin() check pin () deposit () withdraw () get_balance () The bank account will be protected by a 4-digit pin number (i.e. between 1000 and 9999). The pin should be generated randomly when the account object is created. The initial balance should be 0. get_pin () should return the pin. check_pin (pin) should check the argument against the saved pin and return True if it matches, False if it does not. deposit (amount) should receive the amount as the argument, add the amount to the account and return the new balance. withraw (amount) should check if the amount can be withdrawn (not more than is in the account), If so, remove the argument amount from the account and return the new balance if the transaction was successful. Return False if it was not. get_balance () should return the current balance.…When implementing a method, use the class's accessor and mutator methods to access the class data. O static O public O private O protected
- 2. Car Class Write a class named car that has the following fields: ▪ yearModel. The year Model field is an int that holds the car's year model. ▪ make. The make field is a String object that holds the make of the car, such as "Ford", "Chevrolet", "Honda", etc. ▪ speed. The speed field is an int that holds the car's current speed. In addition, the class should have the following methods. ■ Constructor. The constructor should accept the car's year model and make as arguments. These values should be assigned to the object's year Model and make fields. The constructor should also assign 0 to the speed field.Assignment:The BankAccount class models an account of a customer. A BankAccount has the followinginstance variables: A unique account id sequentially assigned when the Bank Account is created. A balance which represents the amount of money in the account A date created which is the date on which the account is created.The following methods are defined in the BankAccount class: Withdraw – subtract money from the balance Deposit – add money to the balance Inquiry on:o Balanceo Account ido Date createdA field has access that is somewhere between public and private. static final Opackage Oprotected
- class Duration: def __init__(self, hours, minutes): self.hours = hours self.minutes = minutes def __add__(self, other): total_hours = self.hours + other.hours total_minutes = self.minutes + other.minutes if total_minutes >= 60: total_hours += 1 total_minutes -= 60 return Duration(total_hours, total_minutes) first_trip = Duration(3, 36)second_trip = Duration(0, 47) first_time = first_trip + second_tripsecond_time = second_trip + second_trip print(first_time.hours, first_time.minutes) what is the outputclass Duration: def __init__(self, hours, minutes): self.hours = hours self.minutes = minutes def __add__(self, other): total_hours = self.hours + other.hours total_minutes = self.minutes + other.minutes if total_minutes >= 60: total_hours += 1 total_minutes -= 60 return Duration(total_hours, total_minutes) first_trip = Duration(1, 45)second_trip = Duration(0, 42) first_time = first_trip + second_tripsecond_time = second_trip + second_trip print(first_time.hours, first_time.minutes)print(second_time.hours, second_time.minutes) WHAT IS THE OUTPUTclass Duration: def __init__(self, hours, minutes): self.hours = hours self.minutes = minutes def __add__(self, other): total_hours = self.hours + other.hours total_minutes = self.minutes + other.minutes if total_minutes >= 60: total_hours += 1 total_minutes -= 60 return Duration(total_hours, total_minutes) first_trip = Duration(2, 58)second_trip = Duration(0, 49) first_time = first_trip + second_tripsecond_time = second_trip + second_trip print(first_time.hours, first_time.minutes)print(second_time.hours, second_time.minutes) what is the entire output
