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219 changes: 196 additions & 23 deletions lab-python-oop.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -56,21 +56,96 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 1,
"id": "21625526-3fae-4c55-bab5-f91940070681",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here\n",
"class BankAccount:\n",
" # Class attribute shared by all BankAccount objects\n",
" account_count = 0\n",
"\n",
" def __init__(self, balance=0):\n",
" # Increase the count whenever a new account is created\n",
" BankAccount.account_count += 1\n",
"\n",
" # Give each account a unique number\n",
" self.account_number = BankAccount.account_count\n",
" self.balance = balance\n",
"\n",
" def deposit(self, amount):\n",
" self.balance += amount\n",
"\n",
" def withdraw(self, amount):\n",
" self.balance -= 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"
]
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 3,
"id": "68863d4f-dcef-44ff-85c5-62b3b06cb5e0",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Account 1 number: 3\n",
"Account 1 balance: 150\n",
"Account 2 number: 4\n",
"Account 2 balance: 150\n",
"Account 3 number: 5\n",
"Account 3 balance: 500\n"
]
}
],
"source": [
"account_1 = BankAccount()\n",
"account_2 = BankAccount(100)\n",
"account_3 = BankAccount(500)\n",
"\n",
"account_1.deposit(200)\n",
"account_1.withdraw(50)\n",
"\n",
"account_2.deposit(75)\n",
"account_2.withdraw(25)\n",
"\n",
"print(\"Account 1 number:\", account_1.get_account_number())\n",
"print(\"Account 1 balance:\", account_1.get_balance())\n",
"\n",
"print(\"Account 2 number:\", account_2.get_account_number())\n",
"print(\"Account 2 balance:\", account_2.get_balance())\n",
"\n",
"print(\"Account 3 number:\", account_3.get_account_number())\n",
"print(\"Account 3 balance:\", account_3.get_balance())"
]
},
{
"cell_type": "code",
"execution_count": 2,
"id": "ee789466-d4cf-4dd8-b742-6863d42c3e5c",
"metadata": {},
"outputs": [],
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Account 1 balance: 1000\n",
"Account 1 number: 1\n",
"Account 2 balance: 500\n",
"Account 2 number: 2\n",
"Account 1 balance after transactions: 1300\n",
"Account 2 balance after transactions: -100\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 @@ -117,17 +192,58 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 4,
"id": "4f8848b5-05d3-4259-9e24-914537926778",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here"
"class SavingsAccount(BankAccount):\n",
"\n",
" def __init__(self, balance=0, interest_rate=0.01):\n",
" # Initialize the inherited BankAccount attributes\n",
" super().__init__(balance)\n",
"\n",
" # Additional SavingsAccount attribute\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"
]
},
{
"cell_type": "code",
"execution_count": 5,
"id": "92bc3e12-f628-4515-a453-2385bf8251e9",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Current balance: 127.5\n",
"Interest rate: 0.02\n"
]
}
],
"source": [
"# Create an account with $100 and a 2% interest rate\n",
"savings_account = SavingsAccount(100, 0.02)\n",
"\n",
"savings_account.deposit(50)\n",
"savings_account.withdraw(25)\n",
"savings_account.add_interest()\n",
"\n",
"print(\"Current balance:\", savings_account.get_balance())\n",
"print(\"Interest rate:\", savings_account.get_interest_rate())"
]
},
{
"cell_type": "markdown",
"id": "d2c84bdb-e7d1-491d-9b0e-194288702c02",
"id": "f2bf5be4-ca27-449c-8773-ab05c0c32bbd",
"metadata": {},
"source": [
"Example of testing the SavingsAccount\n",
Expand All @@ -149,16 +265,6 @@
" Interest rate: 0.02"
]
},
{
"cell_type": "code",
"execution_count": null,
"id": "bccc7f6d-d58c-4909-9314-aaf4afc1cd30",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here"
]
},
{
"cell_type": "markdown",
"id": "a5455a88-a8d1-47a6-86b0-7c70647b4f31",
Expand Down Expand Up @@ -189,17 +295,84 @@
},
{
"cell_type": "code",
"execution_count": null,
"execution_count": 8,
"id": "3c883c6e-3cb8-4043-92d3-12409668a28e",
"metadata": {},
"outputs": [],
"source": [
"# your code goes here"
"class CheckingAccount(BankAccount):\n",
"\n",
" def __init__(self, balance=0, transaction_fee=1):\n",
" # Initialize account_number and balance from BankAccount\n",
" super().__init__(balance)\n",
"\n",
" self.transaction_fee = transaction_fee\n",
" self.transaction_count = 0\n",
"\n",
" # Override the inherited deposit method\n",
" def deposit(self, amount):\n",
" super().deposit(amount)\n",
" self.transaction_count += 1\n",
"\n",
" # Override the inherited withdraw method\n",
" def withdraw(self, amount):\n",
" super().withdraw(amount)\n",
" self.transaction_count += 1\n",
"\n",
" def deduct_fees(self):\n",
" total_fees = self.transaction_count * self.transaction_fee\n",
"\n",
" if self.balance >= total_fees:\n",
" self.balance -= total_fees\n",
" print(f\"${total_fees} has been deducted in transaction fees.\")\n",
" self.transaction_count = 0\n",
" else:\n",
" print(\"Insufficient balance to deduct transaction fees.\")\n",
"\n",
" def reset_transactions(self):\n",
" self.transaction_count = 0\n",
"\n",
" def get_transaction_count(self):\n",
" return self.transaction_count"
]
},
{
"cell_type": "code",
"execution_count": 9,
"id": "52a390d8-7286-4153-a641-87a4d24f5e9d",
"metadata": {},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Balance before fees: 140\n",
"Transaction count: 3\n",
"$3 has been deducted in transaction fees.\n",
"Balance after fees: 137\n",
"Transaction count after fees: 0\n"
]
}
],
"source": [
"checking_account = CheckingAccount(balance=100, transaction_fee=1)\n",
"\n",
"checking_account.deposit(50) # Transaction 1\n",
"checking_account.withdraw(20) # Transaction 2\n",
"checking_account.deposit(10) # Transaction 3\n",
"\n",
"print(\"Balance before fees:\", checking_account.get_balance())\n",
"print(\"Transaction count:\", checking_account.get_transaction_count())\n",
"\n",
"checking_account.deduct_fees()\n",
"\n",
"print(\"Balance after fees:\", checking_account.get_balance())\n",
"print(\"Transaction count after fees:\", checking_account.get_transaction_count())"
]
},
{
"cell_type": "markdown",
"id": "8217ec46-3eae-4a7c-9c7c-d4a87aac7e6d",
"id": "f6058e3a-ac76-45f3-950b-2e29001e4933",
"metadata": {},
"source": [
"Example of testing CheckingAccount:\n",
Expand Down Expand Up @@ -245,9 +418,9 @@
],
"metadata": {
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python [conda env:anaconda3] *",
"language": "python",
"name": "python3"
"name": "conda-env-anaconda3-py"
},
"language_info": {
"codemirror_mode": {
Expand All @@ -259,7 +432,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.13"
"version": "3.13.9"
}
},
"nbformat": 4,
Expand Down