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【简答题】
写代码,有如下列表,按照要求实现每一个功能(所有练习题同样适用于) li = ['alex','eric','rain'] a.计算列表长度并输出 b.列表中追加元素"seven",并输出添加后的列表 c.请在列表的第1个位置插入元素 "Tony",并输出添加后的列表 d.请修改列表第2个位置的元素为 "Kelly",并输出修改后的列表 e.请删除列表中的元素"eric",并输出修改后的列表 f.请删除列表中的第2个元素,并输出删除的元素的值和删除元素后的列表 g.请删除列表中的第3个元素,并输出删除元素后的列表 h.请删除列表中的第2至4个元素,并输出删除元素后的列表 i.请将列表所有的元素反转,并输出反转后的列表 j.请使用for、len、range 输出列表的索引 k.请使用enumrate输出列表元素和序号(序号从 100 开始) l.请使用for循环输出列表的所有元素
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A.
串联式
B.
并联式
C.
混联式
D.
复合式
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【单选题】Each child an apple at the end of yesterday's party.
A.
has been offered
B.
were offered
C.
was offered
D.
has offered
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【单选题】All the children had a good time at Mark’s birthday party.
A.
help each other
B.
enjoyed themselves
C.
had a wonderful time
D.
have a big dinner
【单选题】It's years we met each other at a party in Qingdao .
A.
when
B.
that
C.
before
D.
since
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