Handling run-time error: int division or modulo by zero try-finally 语句 try-finally 语句无论是否发生异常都将执行最后的代码。 以下实例中 finally 语句无论异常是否发生都会执行: 实例 try: runoob() except AssertionError as error: print(error) else: try: with open('file.log') as file: read_...
print('Handling run-time error:',err) Handling run-timeerror:intdivisionormodulo by zero try-finally 语句 try-finally 语句无论是否发生异常都将执行最后的代码。 以下实例中 finally 语句无论异常是否发生都会执行: 实例 try: runoob() exceptAssertionErroraserror: print(error) else: try: withopen('fi...
Handling run-time error: int divisionormodulo by zero 3.3 try-finally 语句 try-finally 语句无论是否发生异常都将执行最后的代码。 以下实例中 finally 语句无论异常是否发生都会执行: try: lizexiong()exceptAssertionError as error:print(error)else:try: with open('file.log') as file: read_data=file...
Exception as error: 这里指定的异常事件是 Exception 类,抓住了之后给其定义一个变量叫 error, 然后进入异常处理。 # error handling: 这里是抓住了异常事件之后做处理。 finally: 这是可有可无的,不论异常有没有出现被抓住,都会进入这个语法,一般是用来做数据清理,并且保证可以被执行的一段话。 Python的异常处理...
Handlingrun-timeerror:intdivisionormodulobyzero 1. 2. 3. 4. 5. 6. 7. 8. 9. try-finally 语句 try-finally 语句无论是否发生异常都将执行最后的代码。 以下实例中 finally 语句无论异常是否发生都会执行: try: runoob() except AssertionError as error: ...
A variety of standard error handlers are available (listed under Error Handlers), though any error handling name that has been registered with codecs.register_error() is also valid. The standard names include: 'strict' to raise a ValueError exception if there is an encoding error. The default...
with open(filename,'w') as f: f.write(data)exceptIOError:print('Error: can't write to file')exceptException as e:print('Unexpected error:'+str(e)) write_to_file('some_file','some_data') 很简单, 我们只想写个文件而已, 然后在 try except 的层峦叠嶂中, 整个代码成了一坨 ...
print('Handling other exceptions...') 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 上面这段代码,当输入a(非数字)时,将抛出ValueError异常;当输入0时,将抛出ZeroDivisionError异常;当抛出其他类型的异常时,将执行except:后的处理语句。 如果在 try 语句执行时,出现了一个异常,该语句的剩下部分将被跳过。并且...
>>>defthis_fails():x=1/0>>>try:this_fails()except ZeroDivisionErroraserr:print('Handling run-time error:',err)Handling run-time error:int division or modulo by zero try-finally 语句 try-finally 语句无论是否发生异常都将执行最后的代码。
print('Handling other exceptions...') 上面这段代码,当输入a(非数字)时,将抛出ValueError异常;当输入0时,将抛出ZeroDivisionError异常;当抛出其他类型的异常时,将执行except:后的处理语句。 如果在 try 语句执行时,出现了一个异常,该语句的剩下部分将被跳过。并且如果该异常的类型匹配到了 except 后面的异常名,...