วนโครงสร้างข้อมูลอย่างมีประสิทธิภาพ

tasks = ["เช็กอีเมล", "ประชุม", "ส่งรายงาน"]
for task in tasks:
    print(f"งานถัดไป: {task}")

for index, task in enumerate(tasks, start=1):
    print(index, task)

stock = {"AAPL": 10, "MSFT": 5, "GOOG": 2}
for symbol, qty in stock.items():
    print(f"{symbol}: {qty}")

users = [
    {"name": "Alice", "scores": [80, 90, 88]},
    {"name": "Bob", "scores": [70, 65, 72]}
]

for user in users:
    avg = sum(user["scores"]) / len(user["scores"])
    print(f"{user['name']} มีค่าเฉลี่ย {avg:.1f}")

numbers = [1, 2, 3, 4, 5, 6]
even_squares = [n * n for n in numbers if n % 2 == 0]