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1 parent 2915b5d commit 4649dc2Copy full SHA for 4649dc2
Learning Python/4、函数和生成器/3. 参数.ipynb
@@ -9,6 +9,8 @@
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"- **参数的传递是通过自动将对象赋值给本地变量名来实现的。**因为引用是以指针的形式实现的,所有的参数实际上都是通过指针进行传递的。作为参数,被传递的对象从来不自动拷贝。\n",
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"- **在函数内部的参数名的赋值不会影响调用者。**在函数运行时,在函数头部的参数名是一个新的、本地的变量名,这个变量名是在函数的本地作用域内的。\n",
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"- **改变函数的可变对象参数的值也许会对调用者有影响。**因为参数是简单地赋值给传入的对象,函数能够就地改变传入的可变对象,其结果会影响调用者。\n",
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+ "- **不可变参数“通过值”进行传递。**\n",
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+ "- **可变对象通过“指针”进行传递。**\n",
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"\n",
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"## 1.1 参数和共享引用 "
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]
@@ -1120,7 +1122,7 @@
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
- "version": "3.6.6"
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+ "version": "3.6.8"
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}
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},
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"nbformat": 4,
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