다른 명령
튜플 딕셔너리 리스트 차이점 ,특징
Feature | List | Dictionary | Tuple |
---|---|---|---|
**Definition** | Unordered, mutable collection of key-value pairs | Ordered, immutable sequence of items | |
**사용 문법** | `{'key1': 'value1', 'key2': 'value2'}` | `(1, 2, 3)` | ||
**Mutable?** | Yes | No | ||
**Indexed Access** | Yes (by key) | Yes (by index) | ||
**증복허용 여부 ** | No (keys must be unique) | Yes | ||
** 사용예시 ** | Storing key-value pairs for fast lookup | Storing fixed collections that should not change | ||
**언제 사용 하나?** | When you need to associate values with unique keys | When you need an ordered and immutable collection | ||
**Example Code** | my_list = [1, 2, 3] print(my_list[0]) # Output: 1 |
my_dict = {'name': 'Alice', 'age': 25} print(my_dict['name']) # Output: Alice |
my_tuple = (1, 2, 3) print(my_tuple[1]) # Output: 2 |