li=[‘a’,’b’,’开心’,’c’]
print(li[2].replace ( ‘ 心 ‘,’ kaixin ‘ ) )
li= [‘abctai’,’sfasf’,’safsa’,[‘sfa’,’sed’,89],23]
li [3][1]=li [3][1].upper()
print(li)
str join
li=[a,b,开心,c]print(li[2].replace ( 心 , kaixin ) )输出:a,b,开kaixin,cli= [abctai,sfasf,safsa,[sfa,sed,89],23]li [3][1]=li [3][1].upper()print(li)输出: li= [abctai,sfasf,safsa,[STA,sed,89],23]元祖:只读列表,可循环查询,可切片tu=(1, 2, 3,
li=[‘a’,’b’,’开心’,’c’]
print(li[2].replace ( ‘ 心 ‘,’ kaixin ‘ ) )
li= [‘abctai’,’sfasf’,’safsa’,[‘sfa’,’sed’,89],23]
li [3][1]=li [3][1].upper()
print(li)
str join