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目录
3.4 except type as identifier:、except (type1,type2,*) as identifier:
try语句捕获异常,语法结构如下:
- #try-except-else/finally语句
- try:
- suite
- except [expression [as identifier]]:
- suite
- [except [expression [as identifier]]:
- suite]*
- [else:
- suite]
- [finally:
- suite]
-
- #try-finally语句
- try:
- suite
- finally:
- suite

解释如下:
- #try-except-else/finally语句
- try:
- 检测范围
- except [异常类型 [as 异常实例]]:
- 异常处理代码
- [except [异常类型 [as 异常实例]]:
- 异常处理
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