ofelix03

fruits = [('orange', 1), ('mangoes', 2), ('pineapple', 3), ('banana', 4)]
total_fruits = 0
for fruit in fruits:
    total_fruits = total_fruits + fruit[1]
print("total_fruits: ", total_fruits)

ofelix03

fruits = [('orange', 1), ('mangoes', 2), ('pineapple', 3), ('banana', 4)]
total_fruits = sum([fruit[1] for fruit in fruits])
print("total_fruits: ", total_fruits)

ofelix03

cheques = [...]
if cheques:
    for cheque in cheques:
        # run some action on cheque
        pass

ofelix03

cheques = [...]
for cheque in cheques:
    # run some action on cheque
    pass

ofelix03

 # this method was extract from a cheque class
 def create(self, vals):
        if "amount" not in vals:
            raise ValidationError(_("Cheque amount must be provided"))

        if "amount" in vals and vals["amount"] <= 0:
            raise ValidationError(_("Cheque amount must be greater than zero"))

        if "special_clearing" in vals and vals["special_clearing"]:
            vals["special_note"] = "Special Clearing"

ofelix03

class Book(object):

  def __init__(self, name=None, isbn=None, published_date=None, author=None):
    self.name = name
    self.isbn = isbn
    self.author = author
    
    
# first instance of Book class
refactoring_book = Book(name='Refactor', isbn='978-0201485677')

ofelix03

# defining a function with parameters
function send_money(amount, currency_code, recipient_name):
  # code for sending money goes here
  return True


# calling a function with arguments
money_sent = send_money(2000, 'USD', 'Felix Otoo')

ofelix03

class ATM(object):

    @classmethod
    def _authenticate(cls, pin):
        # perform PIN verification and authentication
        return True

    @classmethod
    def withdraw_money(cls, pin, amount):
        if not cls._authenticate(pin):

ofelix03

 @api.model
 def create(self, vals):
    if "amount" not in vals:
        raise ValidationError(_("Cheque amount must be provided"))

    if "amount" in vals and vals["amount"] <= 0:
        raise ValidationError(_("Cheque amount must be greater than zero"))

    if "special_clearing" in vals and vals["special_clearing"]:
        vals["special_note"] = "Special Clearing"

ofelix03

if "amount" not in vals and vals['amount'] > 0:
    raise ValidationError(_("Cheque amount must be provided and must be greater than zero"))