Python Learning DAY1 (still)

S3 Strings and O console utput

1 Python There is also a good data type is string

21 string is a string that is wrapped by ' or '

3 Python is implemented by \ To implement the escape character

4 We can use "" to avoid the appearance of escape characters

Exercise: Set the variable letter to the fifth character of Monty

5 The first usage of strings, Len () to find the string length

6 The second method of string, lower () converts all uppercase letters of a string into lowercase letters

7 The third method of string, upper () converts all lowercase letters of a string into uppercase letters

8 string Fourth method, str () converts a non-string to a string, such as STR (2) is to convert 2 to the string "2"

More than 9 of the methods can be written in addition to Len (). Fun () and fun (string)

10 formatting of the string, formatted with%, the string is%s

Python Learning DAY1 (still)