leetcode 937. Reorder Data in Log Files

L937.py

class Solution(object):
    def reorderLogFiles(self, logs):
        """
        :type logs: List[str]
        :rtype: List[str]
        """
        digit_log=[]
        let_temp=[]
        let=[]

        for log in logs:
            temp=log.split(' ')
            identifier=temp[0]
            content=' '.join(temp[1:])

            if content.replace(' ','').isdigit()==True:
                digit_log.append(log)
            else:
                # DataForm ; [content, identifier , log]
                let_temp.append([content,identifier,log])

        let_temp.sort(key=lambda x:(x[0],x[1]))

        for log in let_temp:
            let.append(log[2])


        result=let+digit_log
        return result