题目
A.pip install requests
B.pip install pygame
C.return
D.pip install pymysql
第8题
A.scp~/.ssh/id_rsa.pubhadoop@slave2:~/
B.scp~/.ssh/id_rsa.pubroot@slave1:~/
C.scp~/.ssh/id_rsa.pubhadoop@slave1:~/
D.scp~/.ssh/id_rsa.pubslave1@root:~/
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