python笔记(转存ipynb)------1

list1 = ["tom","cat","Lili"]
print(list1[0].title())

Tom

#append()列表方法在列表末尾添加新元素
list1.append(233)
print(list1)
#可以先创建空列表，再进行追加append(..)以添加

['tom', 'cat', 'Lili', 233]

#insert()列表方法插入元素
list1.insert(1,"kate")
print(list1)

['tom', 'kate', 'cat', 'Lili', 233]

#del...语句删除元素，注意这里是语句不是方法
del list1[2]
print(list1)

['tom', 'kate', 'Lili', 233]

#pop()列表方法删除(弹出)列表末尾的元素(对象)
poped_ele = list1.pop()
print(f"The poped element is {
     
     poped_ele}!")
print(f"The current list1 is {
     
     list1}")
#pop(n)可以从列表中部分弹出下标为n的元素
print(f"The 2th([1]) element 'kate' will be poped,the result is {
     
     list1.pop(1)} ")

The poped element is 233!
The current list1 is ['tom', 'kate', 'Lili']
The 2th([1]) element 'kate' will be poped,the result is kate 

print(