108 lines
3.0 KiB
Python
108 lines
3.0 KiB
Python
# 第 1-9 课示例：元组
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#
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# 本文件使用 Agent 固定配置作为统一示例，演示元组的主要操作。
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# 示例无需用户输入，可以直接运行并对照注释观察结果。
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# 一、创建多元素元组、空元组和单元素元组
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agent_config = ("gpt-5", 0.7, 2000, True)
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empty_config = ()
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single_model = ("gpt-5",)
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print(f"完整配置：{agent_config}")
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print(f"空元组长度：{len(empty_config)}")
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print(f"单元素元组：{single_model}")
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print(f"单元素元组类型：{type(single_model)}")
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# 二、索引和负索引
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print(f"模型名称：{agent_config[0]}")
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print(f"是否启用：{agent_config[-1]}")
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# 三、切片
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# 元组切片返回一个新元组。
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basic_config = agent_config[:2]
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remaining_config = agent_config[2:]
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print(f"基础配置切片：{basic_config}")
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print(f"其余配置切片：{remaining_config}")
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# 四、成员判断、查找和统计
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contains_model = "gpt-5" in agent_config
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model_index = agent_config.index("gpt-5")
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status_history = ("成功", "失败", "成功", "成功")
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success_count = status_history.count("成功")
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print(f"是否包含 gpt-5：{contains_model}")
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print(f"gpt-5 的索引：{model_index}")
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print(f"成功出现次数：{success_count}")
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# 五、遍历元组
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supported_models = ("gpt-5", "o3", "gpt-4.1")
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for number, model in enumerate(supported_models, start=1):
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print(f"{number}. {model}")
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# 六、拼接和重复
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basic_settings = ("gpt-5", 0.7)
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limit_settings = (2000, True)
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full_settings = basic_settings + limit_settings
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default_statuses = ("待处理",) * 3
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print(f"拼接结果：{full_settings}")
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print(f"重复结果：{default_statuses}")
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# 七、通过创建新元组表达配置变更
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# 原元组不会改变，新配置使用新的模型名称和原配置的其余元素。
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new_config = ("o3",) + agent_config[1:]
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print(f"原配置：{agent_config}")
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print(f"新配置：{new_config}")
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# 八、列表和元组转换
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config_list = list(agent_config)
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config_list[1] = 0.3
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converted_config = tuple(config_list)
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print(f"转换并修改后的配置：{converted_config}")
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# 九、打包和解包
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agent_snapshot = ("gpt-5", 0.7, 2000)
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model_name, temperature, max_tokens = agent_snapshot
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print(f"解包模型：{model_name}")
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print(f"解包温度：{temperature}")
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print(f"解包最大长度：{max_tokens}")
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# 十、使用星号收集剩余元素
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first_setting, *other_settings = agent_config
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print(f"第一个配置：{first_setting}")
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print(f"其余配置列表：{other_settings}")
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print(f"其余配置的数据类型：{type(other_settings)}")
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# 十一、交换两个变量
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primary_model = "gpt-5"
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backup_model = "o3"
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primary_model, backup_model = backup_model, primary_model
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print(f"交换后的主模型：{primary_model}")
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print(f"交换后的备用模型：{backup_model}")
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# 十二、元组内部包含列表
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# 元组不能替换第二个元素，但第二个元素指向的列表可以修改自身内容。
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agent_data = ("gpt-5", ["搜索", "计算"])
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agent_data[1].append("写作")
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print(f"包含列表的元组：{agent_data}")
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