Python 设置数据类型
设置数据类型
在 Python 中,数据类型在将值赋给变量时设置
| 示例 | 数据类型 | 试一试 |
|---|---|---|
| x = "Hello World" | str | 试一试 » |
| x = 20 | int | 试一试 » |
| x = 20.5 | float | 试一试 » |
| x = 1j | complex | 试一试 » |
| x = ["apple", "banana", "cherry"] | 列表 | 试一试 » |
| x = ("apple", "banana", "cherry") | tuple | 试一试 » |
| x = range(6) | range | 试一试 » |
| x = {"name" : "John", "age" : 36} | dict | 试一试 » |
| x = {"apple", "banana", "cherry"} | set | 试一试 » |
| x = frozenset({"apple", "banana", "cherry"}) | frozenset | 试一试 » |
| x = True | bool | 试一试 » |
| x = b"Hello" | bytes | 试一试 » |
| x = bytearray(5) | bytearray | 试一试 » |
| x = memoryview(bytes(5)) | memoryview | 试一试 » |
设置特定数据类型
如果您想指定数据类型,可以使用以下构造函数
| 示例 | 数据类型 | 试一试 |
|---|---|---|
| x = str("Hello World") | str | 试一试 » |
| x = int(20) | int | 试一试 » |
| x = float(20.5) | float | 试一试 » |
| x = complex(1j) | complex | 试一试 » |
| x = list(("apple", "banana", "cherry")) | 列表 | 试一试 » |
| x = tuple(("apple", "banana", "cherry")) | tuple | 试一试 » |
| x = range(6) | range | 试一试 » |
| x = dict(name="John", age=36) | dict | 试一试 » |
| x = set(("apple", "banana", "cherry")) | set | 试一试 » |
| x = frozenset(("apple", "banana", "cherry")) | frozenset | 试一试 » |
| x = bool(5) | bool | 试一试 » |
| x = bytes(5) | bytes | 试一试 » |
| x = bytearray(5) | bytearray | 试一试 » |
| x = memoryview(bytes(5)) | memoryview | 试一试 » |