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修改了表格的一个显示错误 #40

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修改了表格的一个显示错误 #40

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2 changes: 1 addition & 1 deletion 第04课：Python语言元素之运算符.md
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Expand Up @@ -17,7 +17,7 @@ Python语言支持很多种运算符，我们先用一个表格为大家列出
| `is` `is not` | 身份运算符 |
| `in` `not in` | 成员运算符 |
| `not` `or` `and` | 逻辑运算符 |
| `=` `+=` `-=` `*=` `/=` `%=` `//=` `**=` `&=` `|=` `^=` `>>=` `<<=` | （复合）赋值运算符 |
| `=` `+=` `-=` `*=` `/=` `%=` `//=` `**=` `&=` `\|=` `^=` `>>=` `<<=` | （复合）赋值运算符 |

>**说明：** 上面这个表格实际上是按照运算符的优先级从上到下列出了各种运算符。所谓优先级就是在一个运算的表达式中，如果出现了多个运算符，应该先执行哪个运算再执行哪个运算的顺序。在实际开发中，如果搞不清楚运算符的优先级，可以使用圆括号来确保运算的执行顺序。

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