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列表是python内置数据类型,列表中的元素可以增、删、改,类似java中的数组
一、列表定义
列表用[ ]定义
course=["Python","Linux","Java","C++"]
print(course)
二、列表访问
通过索引访问列表元素
访问最后一个元素:course[-1]
course=["Python","Linux","Java","C++"]
print(course[2])
print(course[-1])
三、列表修改
四、列表添加
1、追加元素
course.append(“HTMl”)
course=["Python","Linux","Java","C++"]
course.append("HTMl")
print(course)
2、插入元素
course.insert(0,“Css”)
course=["Python","Linux","Java","C++"]
course.insert(0,"Css")
print(course)
五、列表删除
1、删除最后一个元素-pop()
course.pop()
course=["Python","Linux","Java","C++"]
course.pop()
print(course)
2、删除指定位置元素-pop(index)
course.pop(index)
course=["Python","Linux","Java","C++"]
course.pop(0)
print(course)
3、删除指定位置元素-del语句
del course[0]
course=["Python","Linux","Java","C++"]
del course[0]
print(course)
4、移除某个元素-remove(obj)
course.remove(“Java”)
course=["Python","Linux","Java","C++"]
course.remove("Java")
print(course)