s.join(iter) 函数在python的作用
提问人：杨紫红发布时间：2020-11-23
s.join(iter) ：使用s作为连接符连接序列iter中所有元素
如：list2=["h","e","l","l","o"," .","c","o","m"]
“”.join（list2）
如：list2=["h","e","l","l","o"," .","c","o","m"]
“”.join（list2）
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