python列表删除元素

>>> names=['Alice','Beth','Cecil','Dee-Dee','Earl'] 
>>> names 
['Alice', 'Beth', 'Cecil', 'Dee-Dee', 'Earl'] 
>>> del names[2] 
>>> names 
['Alice', 'Beth', 'Dee-Dee', 'Earl'] 
>>>

>>> numbers=['a', 'b', 'c', 'd'] 
>>> numbers 
['a', 'b', 'c', 'd'] 
>>> del numbers[1:3] 
>>> numbers 
['a', 'd']

>>> numbers=['a', 'b', 'c', 'd'] 
>>> numbers 
['a', 'b', 'c', 'd'] 
>>> numbers[1:3]=[] 
>>> numbers 
['a', 'd']