Python 创建单元素的元组

环境信息

• ModelArts
  • Notebook - Multi-Engine 2.0 (python3)
    • JupyterLab - Notebook - Conda-python3

失败示例

type((1))  # 失败示例-1

int

type(((1)))  # 失败示例-2

int

type(1,)  # 失败示例-3

int

type(tuple(1))  # 失败示例-4

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-5-fa98db74f433> in <module>()
----> 1 type(tuple(1))

TypeError: 'int' object is not iterable

type(tuple(1,))  # 失败示例-5

---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
<ipython-input-7-7523e4fa9dc6> in <module>()
----> 1 type(tuple(1,))

TypeError: 'int' object is not iterable

成功示例

print(type((1,)))  # 成功示例
a = 1,  # 单元素 加个 逗号 就可以了
print(type(a))

<class 'tuple'>
<class 'tuple'>

type(((1),))  # 成功示例

tuple

help

help(tuple)

Help on class tuple in module builtins:

class tuple(object)
 |  tuple() -> empty tuple
 |  tuple(iterable) -> tuple initialized from iterable's items
 |  
 |  If the argument is a tuple, the return value is the same object.
 |  
 |  Methods defined here:

相关链接

• Python入门篇
• Python进阶篇
• Python应用篇
• 帮助文档-AI开发平台ModelArts
• 【生长吧！Python】有奖征文火热进行中

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