若需要删除列表ls中指定位置元素,可使用下列哪个命令( ) A: del ls[i] B: ls.popitem() C: ls.clear() D: ls.discard()
若需要删除列表ls中指定位置元素,可使用下列哪个命令( ) A: del ls[i] B: ls.popitem() C: ls.clear() D: ls.discard()
What is the meaning of discard?
What is the meaning of discard?
clarify A: illustrate B: demonstrate C: expound D: discard
clarify A: illustrate B: demonstrate C: expound D: discard
Peoplewho__________litterinthestreetsshouldbefinedheavily. A: dowith B: discard C: grind D: loan
Peoplewho__________litterinthestreetsshouldbefinedheavily. A: dowith B: discard C: grind D: loan
Peoplewho______litterinthestreetsshouldbefinedheavily. A: cleanup B: dowith C: discard D: handle
Peoplewho______litterinthestreetsshouldbefinedheavily. A: cleanup B: dowith C: discard D: handle
定义ls为空列表不正确的语句是( ) A: ls=() B: ls=[] C: ls=list() D: ls=list(())
定义ls为空列表不正确的语句是( ) A: ls=() B: ls=[] C: ls=list() D: ls=list(())
集合中元素的删除,可以使用discard方法
集合中元素的删除,可以使用discard方法
If we use a tissue, we should discard it immediately into an open bin.
If we use a tissue, we should discard it immediately into an open bin.
以下哪种方式不能获得ls命令的帮助() A: help ls B: ls–help C: man ls D: pinfo ls
以下哪种方式不能获得ls命令的帮助() A: help ls B: ls–help C: man ls D: pinfo ls
查看隐藏文件的命令是() A: ls -a B: ls -l C: ls -c D: ls –n
查看隐藏文件的命令是() A: ls -a B: ls -l C: ls -c D: ls –n