零基础入门学习python第三十二讲

足迹

错误exception

详细见
Python 标准异常总结
http://bbs.fishc.com/thread-45814-1-1.html
(出处: 鱼C论坛)

主要错误
AssertionError

1. >>> a=['123']
   
2. >>> assert len(a)>0
   
3. >>> a.pop()
   
4. '123'
   
5. >>> assert len(a)>0
   
6. Traceback (most recent call last):
   
7.   File "<pyshell#3>", line 1, in <module>
   
8.     assert len(a)>0
   
9. AssertionError

复制代码

AtributeError

1. >>> a=[123]
   
2. >>> a.ser()
   
3. Traceback (most recent call last):
   
4.   File "<pyshell#5>", line 1, in <module>
   
5.     a.ser()
   
6. AttributeError: 'list' object has no attribute 'ser'

复制代码

typeError

1. >>> 1+'1'
   
2. Traceback (most recent call last):
   
3.   File "<pyshell#6>", line 1, in <module>
   
4.     1+'1'
   
5. TypeError: unsupported operand type(s) for +: 'int' and 'str'

复制代码

zeroDivitionError

1. >>> 2/0
   
2. Traceback (most recent call last):
   
3.   File "<pyshell#7>", line 1, in <module>
   
4.     2/0
   
5. ZeroDivisionError: division by zero
   
6. >>>

复制代码

IndexError

1. >>> a=[1,2,3]
   
2. >>> a[3]
   
3. Traceback (most recent call last):
   
4.   File "<pyshell#10>", line 1, in <module>
   
5.     a[3]
   
6. IndexError: list index out of range

复制代码

NameError

1. >>> b
   
2. Traceback (most recent call last):
   
3.   File "<pyshell#11>", line 1, in <module>
   
4.     b
   
5. NameError: name 'b' is not defined

复制代码

KeyError

1. >>> dict1={'one':1,'two':2,'three':3}]
   
2. >>> dict1['one']
   
3. 1
   
4. >>> dict1['four']
   
5. Traceback (most recent call last):
   
6.   File "<pyshell#19>", line 1, in <module>
   
7.     dict1['four']
   
8. KeyError: 'four'

复制代码