python list操作

Posted 2020-10-22 魂～

 1 # 1、+
 2 list1 = [1, 2, 3, 4]
 3 list2 = [5, 6, 7, 8]
 4 list3 = [1, 2, 3, 4]
 5 
 6 print(list1 + list2)
 7 print(list1)
 8 print(list2)
 9 
10 
11 # 2、contains
12 print(1 in list1)
13 
14 
15 # 3、eq
16 print(list1 == list3)
17 
18 
19 # 4、iter
20 print(iter(list1))
21 
22 
23 # 5、len
24 print(len(list1))
25 
26 
27 # 6、not eq
28 print(list1 != list2)
29 
30 
31 # 7、append
32 list3.append(5)
33 print(list3)
34 
35 
36 # 8、clear
37 list3.clear()
38 print(list3)
39 
40 
41 # 9、copy
42 list4 = list1.copy()
43 print(list4)
44 
45 
46 # 10、count
47 print(list1.count(1))
48 
49 
50 # 11、extend
51 list3.extend([5, 6, 7, 8])
52 print(list3)
53 
54 
55 # 12、index
56 print(list1[2])
57 
58 
59 # 13、insert
60 list3.insert(0, 4)
61 print(list3)
62 
63 
64 # 14、pop
65 print(list3.pop())
66 print(list3.pop(0))
67 print(list3)
68 
69 
70 # 15、remove
71 list3.remove(6)
72 print(list3)
73 
74 
75 # 16、reserve
76 list1.reverse()
77 print(list1)
78 
79 
80 # 17、sort
81 list1.sort()
82 print(list1)