/Class5-Python-Module-Week5

Primary LanguagePython

Week 5 Homework - OOP

Question 1:

Create the class Society with following information:

society_name, house_no, no_of_members, flat, income

Methods :

  • An __init__ method to assign initial values of society_name, house_no, no_of_members, income
  • allocate_flat() to allocate flat according to income using the below table -> according to income, it will decide to flat type
  • show_data() to display the details of the entire class.
  • Create one object for each flat type, for each object call allocate_flat() and show_data()
Income Flat
>=25000 A Type
>=20000 and <25000 B Type
>=15000 and <20000 C Type
<15000 D Type

Question 2:

Define a class named ItemInfo with the following description:

item_code(Item Code), item(item name), price(Price of each item), qty(quantity in stock), discount(Discount percentage on the item), net_price(Price after discount)

Methods :

  • A member method calculate_discount() to calculate discount as per the following rules:
  • If qty <= 10 —> discount is 0
  • If qty (11 to 20 inclusive) —> discount is 15
  • If qty >= 20 —> discount is 20
  • A constructor init method to assign the initial values for item_code to 0 and price, qty, net_price and discount to null
  • A function called buy() to allow user to enter values for item_code, item, price, qty. Then call function calculate_discount() to calculate the discount and net_price(price * qty - discount).
  • A function show_all() or similar name to allow user to view the content of all the data members.

Question 3:

Create a class called Numbers, which has a single class attribute called multiplier, and a constructor which takes the parameters x and y (these should all be numbers).

  • Write a method called add which returns the sum of the attributes x and y.
  • Write a class method called multiply, which takes a single number parameter a and returns the product of a and multiplier.
  • Write a method called subtract, which takes two number parameters, b and c, and returns b - c.
  • Write a method called value which returns a tuple containing the values of x and y.
  • Create a numbers object and call all the methods you wrote and print the results.

Question 4:

  • Define the Employee class with an __init__() method
  • Define a class variable new_id and set it equal to 1
  • Each Employee instance will need its own unique ID. Thus, inside __init__(), define self.id and set it equal to the class variable new_id
  • Lastly, increment new_id by 1
  • Define a say_id() method
  • Inside say_id(), output the string "My id is " and then the instance id.
  • Define the variable e1 and set it to an instance of Employee
  • Define the variable e2 and set it to an instance of Employee
  • Have both e1 and e2 output their ids

Question 5:

  • Create a Vehicle class with name, max_speed and mileage instance attributes
  • Add function __str__ to vehicle class and print the info about vehicle as: "Vehicle Model X has max speed 180 and mileage 12"
  • Create a child class Bus that will inherit all of the variables and methods of the Vehicle class
  • Add attribute capacity to class Bus
  • Update Bus class such that print message will be: Bus Breng has max speed 180 and mileage 50 with capacity 100 (Hint: Override _str_ method)
  • Add update_capacity() method to the class Bus
  • Create a Vehicle and a Bus object and print both of them
  • call update_capacity() method for the earlier created Bus object and print it, see the difference

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