python - 将列表中的项目连接到字符串(Concatenate item in list to strings)

Question

Is there a simpler way to concatenate string items in a list into a single string?

(有没有更简单的方法将列表中的字符串项连接为单个字符串？)

Can I use the str.join() function?

(我可以使用str.join()函数吗？)

Eg this is the input ['this','is','a','sentence'] and this is the desired output this-is-a-sentence

(例如，这是输入['this','is','a','sentence'] ，这是期望的输出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

  ask by alvas translate from so

Answer 1

Use join :

(使用join ：)

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