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markmorcosmarkmorcos
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‎lab-python-oop.ipynb‎

Lines changed: 130 additions & 16 deletions
Original file line numberDiff line numberDiff line change
@@ -56,21 +56,53 @@
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},
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{
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"cell_type": "code",
59-
"execution_count": null,
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"execution_count": 35,
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"id": "21625526-3fae-4c55-bab5-f91940070681",
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"metadata": {},
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"outputs": [],
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"source": [
64-
"# your code goes here\n",
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"\n"
64+
"class BankAccount:\n",
65+
" account_number = 0\n",
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"\n",
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" def __init__(self, balance = 0):\n",
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" BankAccount.account_number += 1\n",
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" self.balance = balance\n",
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"\n",
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" def deposit(self, amount):\n",
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" self.balance += amount\n",
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"\n",
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" def withdraw(self, amount):\n",
75+
" if (amount > self.balance): print(\"Insufficient balance\")\n",
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" else: self.balance -= amount\n",
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"\n",
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" def get_balance(self):\n",
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" return self.balance\n",
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"\n",
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" @classmethod\n",
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" def get_account_number(self):\n",
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" return BankAccount.account_number"
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]
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 37,
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"id": "ee789466-d4cf-4dd8-b742-6863d42c3e5c",
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Account 1 balance: 1000\n",
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"Account 1 number: 2\n",
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"Account 2 balance: 500\n",
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"Account 2 number: 2\n",
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"Account 1 balance after transactions: 1300\n",
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"Insufficient balance\n",
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"Account 2 balance after transactions: 500\n"
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]
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}
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],
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"source": [
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"# Testing the BankAccount class\n",
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"# Creating two instances of the BankAccount class with initial balances of 1000 and 500\n",
@@ -117,12 +149,21 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 56,
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"id": "4f8848b5-05d3-4259-9e24-914537926778",
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"metadata": {},
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"outputs": [],
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"source": [
125-
"# your code goes here"
157+
"class SavingsAccount(BankAccount):\n",
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" def __init__(self, balance, interest_rate = 0.01):\n",
159+
" super().__init__(balance)\n",
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" self.interest_rate = interest_rate\n",
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"\n",
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" def add_interest(self):\n",
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" self.balance += self.balance * self.interest_rate\n",
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"\n",
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" def get_interest_rate(self):\n",
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" return self.interest_rate"
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]
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},
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{
@@ -151,12 +192,29 @@
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},
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{
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"cell_type": "code",
154-
"execution_count": null,
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"execution_count": 70,
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"id": "bccc7f6d-d58c-4909-9314-aaf4afc1cd30",
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"metadata": {},
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"outputs": [],
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"outputs": [
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{
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"name": "stdout",
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"output_type": "stream",
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"text": [
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"Current balance: 127.50\n",
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"Interest rate: 0.02\n"
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]
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}
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],
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"source": [
159-
"# your code goes here"
209+
"savings_account = SavingsAccount(100, 0.02)\n",
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"\n",
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"savings_account.deposit(50)\n",
212+
"savings_account.withdraw(25)\n",
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"\n",
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"savings_account.add_interest()\n",
215+
"\n",
216+
"print(\"Current balance: %.2f\" % savings_account.get_balance())\n",
217+
"print(\"Interest rate: %.2f\" % savings_account.get_interest_rate())"
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]
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},
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{
@@ -189,12 +247,39 @@
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},
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{
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"cell_type": "code",
192-
"execution_count": null,
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"execution_count": 96,
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"id": "3c883c6e-3cb8-4043-92d3-12409668a28e",
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"metadata": {},
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"outputs": [],
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"source": [
197-
"# your code goes here"
255+
"class CheckingAccount(BankAccount):\n",
256+
" def __init__(self, balance, transaction_fee = 1):\n",
257+
" super().__init__(balance)\n",
258+
" self.transaction_fee = transaction_fee\n",
259+
" self.transaction_count = 0\n",
260+
"\n",
261+
" def deposit(self, amount):\n",
262+
" super().deposit(amount)\n",
263+
" self.transaction_count += 1\n",
264+
"\n",
265+
" def withdraw(self, amount):\n",
266+
" super().withdraw(amount)\n",
267+
" self.transaction_count += 1\n",
268+
"\n",
269+
" def deduct_fees(self):\n",
270+
" transaction_fees = self.transaction_count * self.transaction_fee\n",
271+
" if (transaction_fees > self.balance):\n",
272+
" print(\"Insufficient balance\")\n",
273+
" else:\n",
274+
" print(\"Transaction fees of $%.2f have been deducted from your account balance\" % transaction_fees)\n",
275+
" self.balance -= transaction_fees\n",
276+
" self.reset_transactions()\n",
277+
"\n",
278+
" def reset_transactions(self):\n",
279+
" self.transaction_count = 0\n",
280+
"\n",
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" def get_transaction_count(self):\n",
282+
" return self.transaction_count"
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]
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},
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{
@@ -234,12 +319,41 @@
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},
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{
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"cell_type": "code",
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"execution_count": null,
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"execution_count": 98,
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"id": "faa5b148-c11b-4be0-b810-de8a7da81451",
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"metadata": {},
240-
"outputs": [],
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"outputs": [
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{
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"name": "stdout",
328+
"output_type": "stream",
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"text": [
330+
"Transaction fees of $4.00 have been deducted from your account balance\n",
331+
"Current balance: 546.00\n",
332+
"Transaction count: 0\n",
333+
"Transaction fees of $4.00 have been deducted from your account balance\n",
334+
"Current balance: 667.00\n",
335+
"Transaction count: 0\n"
336+
]
337+
}
338+
],
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"source": [
242-
"# your code goes here"
340+
"checking_account = CheckingAccount(500, 2)\n",
341+
"\n",
342+
"checking_account.deposit(100)\n",
343+
"checking_account.withdraw(50)\n",
344+
"\n",
345+
"checking_account.deduct_fees()\n",
346+
"\n",
347+
"print(\"Current balance: %.2f\" % checking_account.get_balance())\n",
348+
"print(\"Transaction count: %i\" % checking_account.get_transaction_count())\n",
349+
"\n",
350+
"checking_account.deposit(200)\n",
351+
"checking_account.withdraw(75)\n",
352+
"\n",
353+
"checking_account.deduct_fees()\n",
354+
"\n",
355+
"print(\"Current balance: %.2f\" % checking_account.get_balance())\n",
356+
"print(\"Transaction count: %i\" % checking_account.get_transaction_count())"
243357
]
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}
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],
@@ -259,7 +373,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
262-
"version": "3.9.13"
376+
"version": "3.12.4"
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}
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},
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"nbformat": 4,

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