python中 count()的用法

字符串string的用法

string = "hello，hello，jim"

string.count(sub,start,end)

#字符串

string.count("h"

string.count("h",1)

string.connt("h",1.100)

列表：

list = [1,3,5,"hello",3]

list.count("hello")

list.count.(3)