列表练习

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1.创建一个henan的空列表,添加zhengzhou,kaifeng,shangqiu,jiaozuo,xinyang元素;

henan = []
henan.extend([zhengzhou,kaifeng,shangqiu,jiaozuo,xinyang])
print(henan)
[zhengzhou, kaifeng, shangqiu, jiaozuo, xinyang]

2.在kaifeng元素前面插入一个luoyang元素;

henan.insert(1,luoyang)
print(henan)
[zhengzhou, luoyang, kaifeng, shangqiu, jiaozuo, xinyang]

3.把元素xinyang改成中文信阳;

henan[-1] = 信阳
print(henan)
[zhengzhou, luoyang, kaifeng, shangqiu, jiaozuo, 信阳]

4.在元素jiaozuo后面插入一个子列表[hebi,xuchang];

list = [hebi,xuchang]
henan.insert(-1,list)
print(henan)
[zhengzhou, luoyang, kaifeng, shangqiu, jiaozuo, [hebi, xuchang], 信阳]

5.打印元素shangqiu的索引值;

print(shangqiu的索引值:,henan.index(shangqiu))
shangqiu的索引值: 3

6.创建新列表[1,2,3,4,5,6,2],与henan列表合并;

number = [1,2,3,4,5,6,2]
henan.extend(number)
print(henan)
[zhengzhou, luoyang, kaifeng, shangqiu, jiaozuo, [hebi, xuchang], 信阳, 1, 2, 3, 4, 5, 6, 2]

 

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