Python string-method

One
1. Upper ()
Function: Converts a character in a string to uppercase

in [+]: spamout['hello,world'in[print(Spam.upper ()) Hello,world

2.lower ()
Function: Converts a character in a string to lowercase

in [+]: spam = spam.upper () in []: spamout['hello,world'in[ Print (Spam.lower ()) Hello,world

3.isupper ()
Function: Determines whether there are uppercase characters in a string

in [+]: spamout['hello,world'in[]: spam.isupper () out[ all]: True

4.islower ()
Function: Determine if there are lowercase characters in the string

in [+]: spamout['hello,world'in[]: Spam.islower () out[25] : False

5.isalpha ()
Isalpha () returns True if the string contains only letters and is not empty

in [+]: spamout['hello,world'in[]: Spam.isalpha () out[ (): False

6.isalnum ()
Isalnum () returns True if the string contains only letters and numbers and is not empty

' 123hello ' In [Max]: Mystring01.isalnum () out[]: True

7.isdecimal ()
Isdecimal () returns True if the string contains only numeric characters and is not empty

' 123456 ' In [the]: Mystring01.isdecimal () out[]: True

8.isspace ()
Isspace () returns True if the string contains only spaces, tabs, and line breaks, and is not empty

"in[si]: mystring01.isspace () out[]: True

9.istitle ()
Istitle () returns True if the string contains only words with uppercase letters that are followed by lowercase letters

' Helloworld ' In [[]: Mystring01.istitle () out[]: True

10.startswith ()
The StartsWith () method returns True if the string they are calling starts with the string passed in by the method

' Hello World '. StartsWith ('hello') out[]: True

11.endswith ()
The EndsWith () method returns True if the string they are invoking ends with the string passed in by the method

' Hello World '. EndsWith ('ld') out[]: True

12.join ()
Splicing String list

' - '. Join (['aaa', 'bbb','CCC ' ]) out['aaa-bbb-ccc'

13.split ()
Explode string

' AAA-BBB-CCC '. Split ("-") out[]: ['aaa' BBB ' ' CCC ']

14.strip ()
(1) Delete blank characters on both sides

Print (mystring01)  Hel Lo, w o r ldin [print(Mystring01.strip ()) Hel Lo, w o r ld

(2) Delete the specified string

Print (mystring01)  Hel Lo, w o r ldin [print(Mystring01.strip ('  hel lo' ) )), W o r ld

15.lstrip ()
Remove left white space character

Print (mystring01)  Hel Lo, w o r ldin [print(Mystring01.lstrip ()) Hel Lo, w o r ld

16.rstrip ()
Delete Right white space character

Print (mystring01)  Hel Lo, w o r ldin [print(Mystring01.rstrip ())  Hel Lo, w o r ld

17.pyperclip Module
Using the Pyperclip module's total copy and paste parameters

Import pyperclippyperclip.copy ('Hello world! ' ) Pyperclip.paste ()

Python string-method