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Lab extra Object Oriented Programming #48

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280 changes: 256 additions & 24 deletions lab-python-oop.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -56,21 +56,65 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 2,
"id": "21625526-3fae-4c55-bab5-f91940070681",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here\n",
"\n"
"class BankAccount:\n",
" # Class attribute to keep track of the number of accounts created\n",
" account_count = 0\n",
"\n",
" def __init__(self, initial_balance=0):\n",
" # Increment the account counter and assign a unique account number\n",
" BankAccount.account_count += 1\n",
" self.account_number = BankAccount.account_count\n",
" self.balance = initial_balance\n",
"\n",
" def deposit(self, amount):\n",
" if amount > 0:\n",
" self.balance += amount\n",
" print(f\"You have deposited {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"The deposit amount must be positive.\")\n",
"\n",
" def withdraw(self, amount):\n",
" if 0 < amount <= self.balance:\n",
" self.balance -= amount\n",
" print(f\"You have withdrew {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"Insufficient funds or invalid amount.\")\n",
"\n",
" def get_balance(self):\n",
" return self.balance\n",
"\n",
" def get_account_number(self):\n",
" return self.account_number"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"id": "ee789466-d4cf-4dd8-b742-6863d42c3e5c",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Account 1 balance: 1000\n",
"Account 1 number: 3\n",
"Account 2 balance: 500\n",
"Account 2 number: 4\n",
"You have deposited 500. The new balance is 1500\n",
"You have withdrew 200. The new balance is 1300\n",
"Account 1 balance after transactions: 1300\n",
"Insufficient funds or invalid amount.\n",
"Account 2 balance after transactions: 500\n"
]
}
],
"source": [
"# Testing the BankAccount class\n",
"# Creating two instances of the BankAccount class with initial balances of 1000 and 500\n",
Expand Down Expand Up @@ -117,12 +161,23 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 5,
"id": "4f8848b5-05d3-4259-9e24-914537926778",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"You have deposited 50. The new balance is 150\n",
"You have withdrew 25. The new balance is 125\n",
"Current balance: 127.5\n",
"Interest rate: 0.02\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n"
]
},
{
Expand Down Expand Up @@ -151,12 +206,77 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 9,
"id": "bccc7f6d-d58c-4909-9314-aaf4afc1cd30",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"You have deposited 50. The new balance is 150\n",
"You have withdrew 25. The new balance is 125\n",
"Current balance: 127.5\n",
"Interest rate: 0.02\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"# Definition of the BankAccount class\n",
"class BankAccount:\n",
" # Class attribute to keep track of the number of accounts created\n",
" account_count = 0\n",
"\n",
" def __init__(self, initial_balance=0):\n",
" # Increment the account counter and assign a unique account number\n",
" BankAccount.account_count += 1\n",
" self.account_number = BankAccount.account_count\n",
" self.balance = initial_balance\n",
"\n",
" def deposit(self, amount):\n",
" if amount > 0:\n",
" self.balance += amount\n",
" print(f\"You have deposited {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"The deposit amount must be positive.\")\n",
"\n",
" def withdraw(self, amount):\n",
" if 0 < amount <= self.balance:\n",
" self.balance -= amount\n",
" print(f\"You have withdrew {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"Insufficient funds or invalid amount.\")\n",
"\n",
" def get_balance(self):\n",
" return self.balance\n",
"\n",
" def get_account_number(self):\n",
" return self.account_number\n",
"\n",
"# Definition of the SavingsAccount class that inherits from BankAccount\n",
"class SavingsAccount(BankAccount):\n",
" def __init__(self, initial_balance=0, interest_rate=0.01):\n",
" super().__init__(initial_balance)\n",
" self.interest_rate = interest_rate\n",
"\n",
" def add_interest(self):\n",
" interest = self.balance * self.interest_rate\n",
" self.balance += interest\n",
"\n",
" def get_interest_rate(self):\n",
" return self.interest_rate\n",
"\n",
"# Testing the SavingsAccount class\n",
"savings = SavingsAccount(100, 0.02) # Create a SavingsAccount object with a balance of $100 and an interest rate of 2%\n",
"\n",
"savings.deposit(50) # Deposit $50 into the savings account\n",
"savings.withdraw(25) # Withdraw $25 from the savings account\n",
"savings.add_interest() # Add interest to the savings account (using the provided 0.02)\n",
"\n",
"# Print the current balance and interest rate of the savings account\n",
"print(\"Current balance:\", savings.get_balance()) # This should print 127.5\n",
"print(\"Interest rate:\", savings.get_interest_rate()) # This should print 0.02"
]
},
{
Expand Down Expand Up @@ -187,16 +307,6 @@
"Note: To ensure that the transaction count is updated every time a deposit or withdrawal is made, we need to overwrite the deposit and withdraw methods inherited from the BankAccount class. "
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "3c883c6e-3cb8-4043-92d3-12409668a28e",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here"
]
},
{
"cell_type": "markdown",
"id": "8217ec46-3eae-4a7c-9c7c-d4a87aac7e6d",
Expand Down Expand Up @@ -234,12 +344,134 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 12,
"id": "faa5b148-c11b-4be0-b810-de8a7da81451",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Transaction fees of 4$ have been deducted from your account balance.\n",
"Current balance: 546\n",
"Transaction count: 0\n",
"Transaction fees of 4$ have been deducted from your account balance.\n",
"Current balance after second deduction: 667\n",
"Transaction count after second deduction: 0\n"
]
}
],
"source": [
"# your code goes here"
"# your code goes here\n",
"# Definition of the BankAccount class\n",
"class BankAccount:\n",
" # Class attribute to keep track of the number of accounts created\n",
" account_count = 0\n",
"\n",
" def __init__(self, initial_balance=0):\n",
" # Increment the account counter and assign a unique account number\n",
" BankAccount.account_count += 1\n",
" self.account_number = BankAccount.account_count\n",
" self.balance = initial_balance\n",
"\n",
" def deposit(self, amount):\n",
" if amount > 0:\n",
" self.balance += amount\n",
" print(f\"You have deposited {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"The deposit amount must be positive.\")\n",
"\n",
" def withdraw(self, amount):\n",
" if 0 < amount <= self.balance:\n",
" self.balance -= amount\n",
" print(f\"You have withdrew {amount}. The new balance is {self.balance}\")\n",
" else:\n",
" print(\"Insufficient funds or invalid amount.\")\n",
"\n",
" def get_balance(self):\n",
" return self.balance\n",
"\n",
" def get_account_number(self):\n",
" return self.account_number\n",
"\n",
"# Definition of the SavingsAccount class that inherits from BankAccount\n",
"class SavingsAccount(BankAccount):\n",
" def __init__(self, initial_balance=0, interest_rate=0.01):\n",
" super().__init__(initial_balance)\n",
" self.interest_rate = interest_rate\n",
"\n",
" def add_interest(self):\n",
" interest = self.balance * self.interest_rate\n",
" self.balance += interest\n",
"\n",
" def get_interest_rate(self):\n",
" return self.interest_rate\n",
"\n",
"class CheckingAccount(BankAccount):\n",
" def __init__(self, initial_balance=0, transaction_fee=1):\n",
" super().__init__(initial_balance)\n",
" self.transaction_fee = transaction_fee\n",
" self.transaction_count = 0\n",
"\n",
" def deposit(self, amount):\n",
" if amount > 0:\n",
" self.balance += amount\n",
" self.transaction_count += 1\n",
" else:\n",
" print(\"Deposit amount must be positive.\")\n",
"\n",
" def withdraw(self, amount):\n",
" if 0 < amount <= self.balance:\n",
" self.balance -= amount\n",
" self.transaction_count += 1\n",
" else:\n",
" print(\"Insufficient funds or invalid amount.\")\n",
"\n",
" def deduct_fees(self):\n",
" total_fees = self.transaction_count * self.transaction_fee\n",
" if self.balance >= total_fees:\n",
" self.balance -= total_fees\n",
" print(f\"Transaction fees of {total_fees}$ have been deducted from your account balance.\")\n",
" else:\n",
" print(\"Insufficient funds to deduct transaction fees.\")\n",
" self.transaction_count = 0\n",
"\n",
" def reset_transactions(self):\n",
" self.transaction_count = 0\n",
"\n",
" def get_transaction_count(self):\n",
" return self.transaction_count\n",
"\n",
"# Example of testing CheckingAccount:\n",
"\n",
"# Create a new checking account with a balance of 500 dollars and a transaction fee of 2 dollars\n",
"checking = CheckingAccount(500, 2)\n",
"\n",
"# Deposit 100 dollars into the account \n",
"checking.deposit(100)\n",
"\n",
"# Withdraw 50 dollars from the account \n",
"checking.withdraw(50)\n",
"\n",
"# Deduct the transaction fees from the account\n",
"checking.deduct_fees()\n",
"\n",
"# Get the current balance and transaction count\n",
"print(\"Current balance:\", checking.get_balance()) # Should print the current balance after deducting fees\n",
"print(\"Transaction count:\", checking.get_transaction_count()) # Should print 0 as transaction count is reset\n",
"\n",
"# Deposit 200 dollars into the account\n",
"checking.deposit(200)\n",
"\n",
"# Withdraw 75 dollars from the account\n",
"checking.withdraw(75)\n",
"\n",
"# Deduct the transaction fees from the account\n",
"checking.deduct_fees()\n",
"\n",
"# Get the current balance and transaction count again\n",
"print(\"Current balance after second deduction:\", checking.get_balance()) # Should print the current balance after second deduction of fees\n",
"print(\"Transaction count after second deduction:\", checking.get_transaction_count()) # Should print 0 as transaction count is reset again"
]
}
],
Expand All @@ -259,7 +491,7 @@
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"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.12.6"
}
},
"nbformat": 4,
Expand Down