Python starts with small white-string manipulation (not modifiable)

String manipulation cannot be modified

1Say ="Hello, world,66."2 Print(Say.capitalize ())#output Hello, world,66 first letter capitalization3 4 Print(Say.casefold ())#output Hello, world,66 uppercase all lowercase5 6 Print(Say.center (30,"-"))#output-------Hello, world,66-------returns the center of the original string and fills the new string with "character" to the width of length7 8 Print(Say.count ("o"))#Output 2 Print out the number of occurrences of "character"9 Ten Print(Say.encode ())#output B ' Hello, world\xef\xbc\x8c66 ' encodes string in the encoded format specified by encoding, One  A Print(Say.endswith ("6"))#output True to determine whether the string ends with the specified suffix, -  - Print(Say.find ("Wo", 0,-1))#Output 8 detects if the string contains substrings of STR, the                                                                          #If you specify the Beg (start) and end (end) ranges, the check is included in the -                                                                          #returns 1 if the containing substring returns the starting index value within the specified range.  - Print(Say.index ("Wo", 0,-1))#Output 8 is the same as the Find () method, except that STR does not report an exception if it is not in a string.  -  +str ="+" -Say2 = ["AA","BB","CC"] + Print(Str.join (Say2))#The output AA+BB+CC generates a new string from the elements in the sequence with the specified character connection.  A  atSTR2 ="a+b+c+d+e+f" - Print(Str2.partition ("+"))#The output (' A ', ' + ', ' b+c+d+e+f ') is the first substring to the left of the delimiter, the second is the delimiter itself, and the third is the substring to the right of the delimiter . -  - Print(Str2.replace ("+","-", 3))#The output a-b-c-d+e+f replaces the old string in the string with the new one, and if you specify the third parameter max, the replacement does not exceed Max times.  -  - Print(Str2.split ("+", 2))#The output [' A ', ' B ', ' c+d+e+f '] slices the string by specifying a delimiter, and if the parameter num has a specified value, only the NUM substring is delimited.  in  - Print(Str2.strip ("A"))#the output +b+c+d+e+f is used to remove the character specified by the string Kinsoku (the default is a space).  to  +Intab ="ABCDE" -Outtab ="12345" theTrantab =Str2.maketrans (Intab, Outtab) * Print(Str2.translate (Trantab))#output 1+2+3+4+5+f A character that converts a string based on the table given by the parameter table (contains 256 characters),

Python starts with small white-string manipulation (not modifiable)