4)Search
>>> ListTest
['Value1', 'Value2', 'two', 'Value3', 'Value4', 'Value21', 'Value22']
>>> ListTest.index("two")
2
>>> ListTest.index("Value22")
6
5)delete
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>>> ListTest
['Value1', 'Value2', 'two', 'Value3', 'Value4', 'Value21', 'Value22']
>>> ListTest.remove('two')
>>> ListTest
['Value1', 'Value2', 'Value3', 'Value4', 'Value21', 'Value22']
>>> ListTest.pop()
'Value22'
>>> ListTest
['Value1', 'Value2', 'Value3', 'Value4', 'Value21']
['Value1', 'Value2', 'two', 'Value3', 'Value4', 'Value21', 'Value22']
>>> ListTest.remove('two')
>>> ListTest
['Value1', 'Value2', 'Value3', 'Value4', 'Value21', 'Value22']
>>> ListTest.pop()
'Value22'
>>> ListTest
['Value1', 'Value2', 'Value3', 'Value4', 'Value21']
Note:
1)Remove:从 list 中删除一个值的首次出现
2)Pop: 删除 list 的最后一个元素,然后返回删除元素的值