从文件中的每一行创建一个字典

我正在尝试从这个文件创建一个字典：键是第一个单词，值是后面的所有单词。

andrew fred
fred
judy andrew fred
george judy andrew
john george

这是我的代码：

follows_file = open("C:\\Users\\Desktop\\Python\\follows.txt")
followers = {}
for line in follows_file:   #==> [Judy Andrew Fred]
    users = line.split(' ')     #==> [Judy, andrew, Fred, ....]
    follower = users[0]     #==> [Judy]
    followed_by = users[1:] #==> [Andrew, Fred]

    for user in followed_by:
        # Add the 'follower to the list of followers user
        if user not in followers:
            followers[user] = []
        followers[user].append(follower)
print(followers.items())

当我打印follower and 其次是变量，它们是正确的，但我无法将它们正确添加到字典中；这是输出

dict_items([('fred\n', ['andrew', 'judy']), ('andrew', ['judy']), ('judy' ['george']), ('andrew\n', ['george']), ('george', ['john'])])

我想要的输出是

(Andrew[Fred])(Fred[])(judy[Andrew Fred])(George[Judy Fred])(john[george])

非常感谢任何帮助！

您可以使用collections.defaultdict() https://docs.python.org/3/library/collections.html#collections.defaultdict作为字典工厂，只需附加关注某人的用户，例如：

import collections

followers = collections.defaultdict(list)  # use a dict factory to save some time on checks
with open("path/to/your_file", "r") as f:  # open the file for reading
    for line in f:  # read the file line by line
        users = line.split()  # split on any white space
        followers[users[0]] += users[1:]  # append the followers for the current user

这将为您的数据生成：

{'andrew': ['fred'],
 'fred': [],
 'judy': ['andrew', 'fred'],
 'george': ['judy', 'andrew'],
 'john': ['george']}

这还允许您在重复记录上附加多个列表给用户 - 否则您可以只使用普通的dict for followers并将它们设置为followers[users[0]] = users[1:].

您作为所需输出显示的数据结构不是有效的 Python，您真的希望以这种方式呈现吗？我的意思是，如果你坚持的话，你可以这样做：

print("".join("({}[{}])".format(k, " ".join(v)) for k, v in followers.items()))
# (andrew[fred])(fred[])(judy[andrew fred])(george[judy andrew])(john[george])