Benutzer:MovGP0/Python/Loops
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Benutzer:MovGP0/Python/Loops
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Loops[Bearbeiten | Quelltext bearbeiten]nums = [1,2,3,4,5]
# foreach
for n in nums:
print(n, end=', ')
# for
# enumerate makes the (value) list into an (index, value) tuple list
for index, n in enumerate(nums)
print(n, end=', ')
class CartItem:
def __init__(self, name, price):
self.price = price
self.name = name
def __repr__(self):
return "({0}, ${1})".format(self.name, self.price)
class ShoppingCart:
# ctor
def __init__(self):
self.__items = [] # '__name' means private
def add(self, cart_item):
self.__items.append(cart_item)
# IEnumerable.GetEnumerator()
def __iter__(self):
return self.__items.__iter__()
# property decorator
# implements as getter instead of method
@property
def total_price(self)
for item in self.__items:
total += item.price
return total
# var cart = new ShoppingCart();
cart = ShoppingCart()
cart.add(CartItem("CD", 19.99))
cart.add(CartItem("Record", 17.99))
for item in cart.items:
print(item)
print("Total price is ${0:,}".format(cart.total_price))
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