Python入门系列教程(三)列表和元组
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Python入门系列教程(三)列表和元组
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增
?1.insert
A = ['1','2','3','4','5','6'] A.insert(0,0) print A
2.append
A = ['1','2','3','4','5','6'] A.append(7) print A
3.extend
A = ['1','2','3','4','5','6'] B = ['a','b','c'] A.extend(B) print A
刪
?1.pop
A = ['1','2','3','4','5','6'] A.pop() print A
2.remove
A = ['1','2','3','4','5','6'] A.remove('1') print A
3.del
A = ['1','2','3','4','5','6'] del A[0] print A
改
A = ['1','2','3','4','5','6']
A[0]=0
print A 查
in
A = ['1','2','3','4','5','6'] for temp in A:print temp
A = ['1','2','3','4','5','6'] if '5' in A:print '確實在'
not in?
A = ['1','2','3','4','5','6'] if '7' not in A:print '確實不在'
index:返回查找元素的下標
A = ['1','2','3','4','5','6'] print A.index('1')
count:返回查找元素的個數
A = ['1','2','3','4','5','6'] print A.count('1')
?列表嵌套
A = ['1','2','3','4','5','6',['1','2','3'],['4','5','6']] for item in A:print item
?元組
A = ('1','2','3','4','5','6')
元組不能修改
轉載于:https://www.cnblogs.com/cnki/p/6994962.html
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