Python string manipulation:

#字符串操作

Starting with 0, negative subscript usage
0 first element, 1 last element,
-len first element, len-1 last element

name= "Qwe, ERW, Qwe"
 Print (Name.index ("E")) #索引 view the subscript of a character
　　2 
 Print (Name[0:4]) #切片 Gu Tou regardless of the tail
　　qwe 
Print (Name[0::2]) #步长
　　Qe,ew W 
 Print (Name.strip ()) #脱掉
　Qwe, ERW, Qwe 
 Print (Name.split (",")) #以, split
　　[' qwe ', ' ERW ', ' qwe '] 
 print (len (name)) #统计字符串长度
　　  the
name1 = "PPP,OOO,III"
 Print (name + name1)
　　Qwe, ERW, Qwe PPP,OOO,III 
name1 = name +name1
 Print (name1) #拼接字符串
　　Qwe, ERW, Qwe PPP,OOO,III

Python string manipulation: