将列表中的项目连接到字符串 [英] Concatenate item in list to strings

问题描述

是否有更简单的方法将列表中的字符串项连接为单个字符串?我可以使用str.join()函数吗?

Is there a simpler way to concatenate string items in a list into a single string? Can I use the str.join() function?

例如这是输入['this','is','a','sentence']，这是所需的输出this-is-a-sentence

E.g. this is the input ['this','is','a','sentence'] and this is the desired output this-is-a-sentence

sentence = ['this','is','a','sentence']
sent_str = ""
for i in sentence:
    sent_str += str(i) + "-"
sent_str = sent_str[:-1]
print sent_str

推荐答案

使用 join :

>>> sentence = ['this','is','a','sentence']
>>> '-'.join(sentence)
'this-is-a-sentence'

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