python第四天課程:列表(增,刪,改,查),元祖

'''
#1.增加 append insert
li = ['alex',[1,2,3],'wusir','egon','女神','taibai']
li.append('日天')
print(li)
li.append(1)
print(li)
while 1:
    name = input('請輸入您的姓名,按q鍵退出')
    if name.lower().strip() == 'q':
        break
    else:
        li.append(name)
print(li)

li = ['alex',[1,2,3],'wusir','egon','女神','taibai']
li.insert(4,'春哥') #插入
print(li)

li.extend('春哥') #extend:在結尾加入以逗號分開的元素
print(li)
li.extend([1,2,3])
print(li)
'''

'''
#刪除
li = ['taibai','alex','wusir','egon','女神',]
name = li.pop(1) #返回值
name = li.pop() #默認刪除最後一個
print(name,li)

li.remove('taibai') #按元素去刪除
print(li)

li.clear() #清空
print(li)

li = ['taibai','alex','wusir','egon','女神',]
del li 
del li[0:2] #切片去刪除
print(li)
'''

'''
#改
li = ['taibai','alex','wusir','egon','女神',]
li[0] = '男獸'
print(li)
li[0] = '1,2,3'
print(li)
#切片
li[0:3] = '云姐plfdslkmgdfjglk'
li[0:3] = [1,2,3,'春哥','咸鱼哥']
print(li)
'''

'''
#查
li = ['taibai','alex','wusir','egon','女神',]
for i in li:
    print(i)
print(li[0:2])
'''

'''
#公共方法
li = ['taibai','alex','wusir','egon','女神',]
l = len(li)
print(l)
num = li.count('taibai')
print(num)
print(li.index('wusir'))
li = [1, 3, 5, 4, 7, 6, 2, 3]
#正向排序
li.sort()
print(li)
#反序排序
li.sort(reverse=True)
print(li)
#反轉
li.reverse()
print(li)
'''

'''
#列表的嵌套
li = ['taibai','武藤兰','苑昊',['alex','egon',89],23]
print(li[1][1])
li[0] = li[0].capitalize()
print(li[0])
li[2] = '苑日天'
print(li)
li[2] = li[2].replace('昊', '日天')
print(li)
li[3][0] = li[3][0].upper()
print(li)
'''

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转载自www.cnblogs.com/yvz5414/p/10182160.html
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