Features Python data types - list

. 1  # List [starting index: Index termination (not included): step interval] 
2 List1 [. 5:. 8]     # step is omitted, the default is 1 
. 3  
. 4  
. 5  # edit list element 
6  # list is a variable data type, it is possible to modify the content 
. 7 List1 = [0,1,2,3,4 ]
 . 8 listt1 [2] = ' Python '

Some methods list:

list.append (obj) add new objects in the end of the list

 1 list1 = [0,1] 2 list1.append('Alice'] 

list.count (obj) count the number of an element that appears in the list

list.extend (seq) a plurality of additional one-time values ​​at the end of the other sequence list (list with a new original extended list) 

list.index (obj) to find a value that matches the first index location from the list

list.insert (index, obj) into the list object

list.pop (obj = list [-1]) removes an element in the list (default to the last element). And returns the value of the element

list.remove (obj) Removes the first occurrence of a value in the list

list.reverse () direction of elements in the list

list.sort ([func]) to sort the list of the original

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List of Formula

[Expression for i in the sequence]

1 [i**2 for i  in range(1,11)]

 

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Origin www.cnblogs.com/Iric/p/11344118.html