python3: dlt - 数据结构

  1 [wit@fedora null]$ cat test.py 
  2 #!/usr/bin/env python3
  3 
  4 
  5 
  6 
  7 # test this script
  8 def msg():
  9     print("\nhello, python3!\n")
 10 
 11 
 12 # running msg()
 13 # msg()
 14 
 15 
 16 
 17 
 18 # define class for data
 19 class dlt_data:
 20     def __init__(self):
 21         self.no = 0
 22         self.id = []
 23         self.f = []
 24         self.b = []
 25 
 26     def set(self, uno, uid, ufront, uback):
 27         self.no = uno
 28         self.id = uid
 29         self.f.extend(ufront)
 30         self.b.extend(uback)
 31 
 32     def title(self):
 33         print(f"\n\tNo.\tid\t\tfront\t\t\t\t\t-\tback\t\n")
 34 
 35     def empty_line(sef):
 36         print(f"\n")
 37 
 38     def say(self):
 39         print(f"\t{self.no}\t{self.id}\t\t{self.f[0]}\t{self.f[1]}\t{self.f[2]}\t{self.f[3]}\t{self.f[4]}\t-\t{self.b[0]}\t{self.b[1]}")
 40 
 41 
 42 
 43 
 44 
 45 """
 46 dlt = dlt_data()
 47 dlt.set(1, 2023001, [18, 19, 24, 27, 34], [11, 12])
 48 dlt.title()
 49 dlt.say()
 50 """
 51 
 52 
 53 
 54 
 55 # display result for testing
 56 
 57 
 58 """
 59 dlt = []
 60 
 61 
 62 for i in [0,1,2,3,4]:
 63     dlt.append(dlt_data())
 64 i = 0
 65 
 66 
 67 c = 0
 68 for d in dlt:
 69     d.set(c, 2023001+c, [1,12,23,34,35], [1,4])
 70     c = c + 1
 71 c = 0
 72 
 73 
 74 dlt[0].title()
 75 for x in dlt:
 76     x.say()
 77 dlt[0].empty_line()
 78 """
 79 
 80 
 81 
 82 # define funtion
 83 def speak():
 84 
 85     dlt = []
 86 
 87 
 88     for i in [0,1,2,3,4]:
 89         dlt.append(dlt_data())
 90     i = 0
 91 
 92 
 93     c = 0
 94     for d in dlt:
 95         d.set(c, 2023001+c, [1,12,23,34,35], [1,4])
 96         c = c + 1
 97     c = 0
 98 
 99 
100     dlt[0].title()
101     for x in dlt:
102         x.say()
103     dlt[0].empty_line()
104 
105 
106 
107 # define funtion
108 def speak2():
109 
110     dlt = []
111 
112     scope = 30
113     for i in range(scope):
114         x = dlt_data()
115         x.set(i, 2022001+i, [2, 4, 7, 14, 31], [3, 9])
116         dlt.append(x)
117     i = 0
118 
119 
120     dlt[0].title()
121     for x in dlt:
122         x.say()
123     x = []
124     dlt[0].empty_line()
125 
126 
127 # test part
128 if  __name__ == "__main__":
129     #speak()
130     speak2()
131 [wit@fedora null]$ 
132 [wit@fedora null]$

 1 [wit@fedora null]$ ./test.py 
 2 
 3         No.     id              front                                   -       back
 4 
 5         0       2022001         2       4       7       14      31      -       3       9
 6         1       2022002         2       4       7       14      31      -       3       9
 7         2       2022003         2       4       7       14      31      -       3       9
 8         3       2022004         2       4       7       14      31      -       3       9
 9         4       2022005         2       4       7       14      31      -       3       9
10         5       2022006         2       4       7       14      31      -       3       9
11         6       2022007         2       4       7       14      31      -       3       9
12         7       2022008         2       4       7       14      31      -       3       9
13         8       2022009         2       4       7       14      31      -       3       9
14         9       2022010         2       4       7       14      31      -       3       9
15         10      2022011         2       4       7       14      31      -       3       9
16         11      2022012         2       4       7       14      31      -       3       9
17         12      2022013         2       4       7       14      31      -       3       9
18         13      2022014         2       4       7       14      31      -       3       9
19         14      2022015         2       4       7       14      31      -       3       9
20         15      2022016         2       4       7       14      31      -       3       9
21         16      2022017         2       4       7       14      31      -       3       9
22         17      2022018         2       4       7       14      31      -       3       9
23         18      2022019         2       4       7       14      31      -       3       9
24         19      2022020         2       4       7       14      31      -       3       9
25         20      2022021         2       4       7       14      31      -       3       9
26         21      2022022         2       4       7       14      31      -       3       9
27         22      2022023         2       4       7       14      31      -       3       9
28         23      2022024         2       4       7       14      31      -       3       9
29         24      2022025         2       4       7       14      31      -       3       9
30         25      2022026         2       4       7       14      31      -       3       9
31         26      2022027         2       4       7       14      31      -       3       9
32         27      2022028         2       4       7       14      31      -       3       9
33         28      2022029         2       4       7       14      31      -       3       9
34         29      2022030         2       4       7       14      31      -       3       9
35 
36 
37 [wit@fedora null]$