Question

Give an example of a class containing attributes and operations. Instantiate (create) an object of your class

Answer 1

//example of a Customer class containing attributes and operations


class Customer(object):
    """A customer of XYZ Bank with a checking account. Customers have the
    following properties:

    Attributes:
        name: A string representing the customer's name.
        current_balance: A float tracking the current current_balance of the customer's account.

    Operations: A customer can perform following operation like withdraw_money() ,check_balance(),deposite_money()


    """

    def __init__(self, name, current_balance=0.0):
        """Return a Customer object whose name is *name* and starting
        current_balance is *current_balance*."""
        self.name = name
        self.current_balance = current_balance

    def check_balance(self):
        return self.current_balance

    def withdraw_money(self, amount):
        """Return the current_balance remaining after withdrawing *amount* """
        if amount > self.current_balance:
            raise RuntimeError('Insufficient Balance!! .')
        self.current_balance -= amount
        return self.current_balance

    def deposit_money(self, amount):
        """Return the current_balance  after depositing *amount* """
        self.current_balance = self.current_balance + amount
        return self.current_balance




# creating obect  

customer = Customer("Ravi",1000)

""" Performing operations """
#checking current balance
print(customer.current_balance)

# adding money to account
customer.deposit_money(5000)

# withdraw_money

customer.withdraw_money(1000)

#checking current balance
print(customer.current_balance)