المجموعات (Collections)

cart = ["milk", "bread", "eggs"]

cart.append("cheese")      # add to the end
cart.remove("bread")       # remove by value
cart[0] = "oat milk"       # change by index

print(cart)
print(len(cart), "items")
print("eggs" in cart)

order = {
    "id": 1024,
    "customer": "Sara",
    "items": ["pizza", "cola"],
    "paid": False,
}

print(order["customer"])        # access by key
order["paid"] = True            # update a value
order["driver"] = "Mahmoud"     # add a new key

for key, value in order.items():
    print(f"{key}: {value}")

# Tuple: like a list but CAN'T be changed
cairo_location = (30.0444, 31.2357)

# Set: no duplicates, no order
visitors = ["ali", "sara", "ali", "omar", "sara"]
unique_visitors = set(visitors)
print(len(unique_visitors), "unique visitors")