Question

我有一个包含以下内容的文本文件：

['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Joe Johnson', 'Blake Griffin', 'Darrell Arthur', 'Chris Paul', 'D.J. Augustin']
['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Kyle Korver', 'Blake Griffin', 'Terrence Jones', 'Chris Paul', 'Shaun Livingston']
['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Kyle Korver', 'Blake Griffin', 'Kris Humphries', 'Chris Paul', 'Jerryd Bayless']
['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Gordon Hayward', 'Joe Johnson', 'Blake Griffin', 'Andray Blatche', 'Chris Paul', 'Jerryd Bayless']
['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Gordon Hayward', 'Kyle Korver', 'Blake Griffin', 'Andray Blatche', 'Chris Paul', 'Avery Bradley']

这些是我导出的列表。我想将它们作为列表列表重新导入另一个脚本。所以我基本上想要制作一个包含这些列表的列表。这可能吗？当我现在尝试并阅读它时，它会将其读作字符串。

Answer 1

您可以使用ast.literal_eval()：

安全地评估表达式节点或Unicode或Latin-1编码包含Python表达式的字符串。提供的字符串或节点可以只包含以下Python文字结构：字符串，数字，元组，列表，dicts，布尔值和无。

from ast import literal_eval

with open('test.txt', 'rb') as f:
    data = [literal_eval(line) for line in f]

print data

产生

[
 ['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Joe Johnson', 'Blake Griffin', 'Darrell Arthur', 'Chris Paul', 'D.J. Augustin'], 
 ['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Kyle Korver', 'Blake Griffin', 'Terrence Jones', 'Chris Paul', 'Shaun Livingston'], 
 ['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Lance Stephenson', 'Kyle Korver', 'Blake Griffin', 'Kris Humphries', 'Chris Paul', 'Jerryd Bayless'], 
 ['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Gordon Hayward', 'Joe Johnson', 'Blake Griffin', 'Andray Blatche', 'Chris Paul', 'Jerryd Bayless'], 
 ['Joakim Noah', 'Wilson Chandler', 'Michael Kidd-Gilchrist', 'Gordon Hayward', 'Kyle Korver', 'Blake Griffin', 'Andray Blatche', 'Chris Paul', 'Avery Bradley']
]

另外，请考虑使用pickle或json序列化/反序列化。

Answer 2

你也可以这样做：

    from os.path import dirname

    with open(dirname(__file__) + '/data/path/demo.txt') as input_data:
        A= [line.strip() for line in input_data.readlines()]

产地：

[＆＃34; [＆＃39; Joakim Noah＆＃39;，＆＃39; Wilson Chandler＆＃39;，＆＃39; Michael Kidd-Gilchrist＆＃39;，＆＃39; Lance Stephenson＆＃39; ，＆＃39; Joe Johnson＆＃39; Blake Griffin＆＃39; Darrell Arthur＆＃39; Chris Paul＆＃39;，＆＃39; DJ Augustin＆＃39;]＆＃34;，＆＃34; [＆＃39; Joakim Noah＆＃39;，＆＃39; Wilson Chandler＆＃39;，＆＃39; Michael Kidd-Gilchrist＆＃39;，＆＃39; Lance Stephenson＆＃39;，＆＃39; Kyle Korver＆＃39; Blake Griffin＆＃39; Terrence Jones＆＃39; Chris Paul＆＃39;，＆＃39; ; Shaun Livingston＆＃34;]＆＃34;，＆＃34; [＆＃39; Joakim Noah＆＃39;，＆＃39; Wilson Chandler＆＃39;，＆＃39; Michael Kidd-Gilchrist＆＃39;，＆＃39; Lance Stephenson＆＃39; Kyle Korver＆＃39;，＆＃39; Blake Griffin＆＃39; Kris Humphries＆＃39;，＆＃39; Chris Paul＆＃39;，＆＃39; Jerryd Bayless＆＃39;]＆＃34;，＆＃34; [＆＃39; Joakim Noah＆＃39;，＆＃39; Wilson Chandler＆＃39;，＆＃39; Michael Kidd-Gilchrist＆＃39; ，＆＃39; Gordon Hayward＆＃39; Joe Johnson＆＃39;，＆＃39; Blake Griffin＆＃39; Andray Blatche＆＃39;，＆＃39; Chris Paul＆＃39; ，＆＃39; Jerryd Bayless＆＃39;]＆＃34;，＆＃34; [＆＃39; Joakim Noah＆＃39;，＆＃39; Wilson Chandler＆＃39;，＆＃39; Michael Kidd-Gilchrist＆＃ 39;，＆＃39; Gordon Hayward＆＃39; Kyle Korver＆＃39;，＆＃39; Blake Griffin＆＃39; Andray Blatche＆＃39;，＆＃39; Chris Paul＆＃39; 39;，＆＃39; Avery Bradley＆＃39;]＆＃34; ]

从文本文件加载列表

2 个答案: