from functools import reduce
from operator import add
from banking.domain import Account, CheckingAccount
accounts = [ # heterogeneous list
Account("tr1", 10000),
CheckingAccount("tr2", 20000, 1000),
Account("tr3", 30000),
CheckingAccount("tr4", 40000, 10000),
Account("tr5", 50000)
]
total_balance = 0
for acc in accounts: # external loop
if isinstance(acc, CheckingAccount):
total_balance += acc.balance
print(f"Total Balance in Checking Account's: {total_balance}")
x = 42
y = False
name = "jack"
acc = Account("tr6", 600000)
if_checking_account = lambda acc: isinstance(acc, CheckingAccount)
checking_accounts = list(filter(if_checking_account, accounts))
for acc in checking_accounts:
print(acc)
balances = list(map(lambda a: a.balance, filter(if_checking_account,
accounts)))
for bal in balances:
def a_checking_account(): # (1)
"""
creates a CheckingAccount object with iban "tr1", balance 1000, and overdraft 500
"""
return CheckingAccount("tr1", 1000, 500)
from random import random
from banking.domain import Account, CheckingAccount
account = None
if random() < 0.5:
print("Head")
account = Account("tr1", 10000)
else:
print("Tail")
account = CheckingAccount("tr2", 20000, 5000)
account.withdraw(10)
print(account)
from banking.domain import CheckingAccount, InsufficientBalance
try:
acc1 = CheckingAccount("tr1", 10000, 2500)
acc1.withdraw(10000)
print(acc1)
acc1.withdraw(2500)
print(acc1)
acc1.withdraw(1)
except ValueError as err:
print(err)
except InsufficientBalance as err:
print(f"{err.message}: deficit= {err.deficit}")
acc1 = Account(
"tr1",
1000) # __init__(self, iban, balance) ==> Account(acc1,"tr1", 1000)
print(str(acc1))
acc1.withdraw(500) # def withdraw(self, amount) ==> withdraw(acc1, 500)
print(str(acc1)) # ==> __str__(self)
acc1.deposit(750)
print(acc1)
acc1.withdraw(1000000)
except ValueError as err:
print(err)
except InsufficientBalance as err:
print(err)
try:
acc2 = CheckingAccount("tr2", 1000, 500)
acc2.withdraw(1500)
print(acc2)
except ValueError as err:
print(err)
except InsufficientBalance as err:
print(err)
# Alt + Enter
orcl = Stock("orcl", 111.34)
print(orcl)
orcl.price = 109.76 # setter method
print(orcl)
customers = [
Customer("1", "Jack Bauer", "*****@*****.**"),
from banking.domain import Account, CheckingAccount, Customer
# heterogeneous list
accounts = []
accounts.append(Account("tr1", 1000))
accounts.append(CheckingAccount("tr2", 2000, 500))
accounts.append(Account("tr3", 3000))
accounts.append(CheckingAccount("tr4", 4000, 2500))
for acc in accounts:
acc.withdraw(500) # polymorphic call
acc.deposit(250) # polymorphic call
print(str(acc))
def account_cost(accounts): # generic
for acc in accounts:
if isinstance(acc, (CheckingAccount, Account)):
acc.withdraw(50) # polymorphic method
def get_total_balance(accounts): # generic
total = 0
for acc in accounts:
total = total + acc.balance # polymorphic call
return total
def get_customers_total_balance(customers): # generic
total = 0
for customer in customers:
for account in customer.get_all_accounts():