文本左右对齐python_.join(line).ljust(maxwidth)

class Solution:
    def fullJ(self,words: List[str],maxWidth: int)-->List[str]:
        res,linecache,counter=[],[],0
        for word in words:
            if counter+len(word)+len(line)>maxWidth:
                for i in range(maxWidth - counter):
                    line[i%max(len(line)-1,1)]+=''
                res.append((''.join(line)))
                line,counter=[],0
            line +=[word]
            counter+=len(word)
        return res + [''.join(line).ljust(maxWidth)]
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