[learn Python from simple to deep] string

Data in double or single quotes , It's just a string .
The single character is in Python Is also used as a string .

One . Create string

str1="python"
print(str1)

python

Two . Common methods

1. Get string length

#len, Get string length 
len(str1)

6

2. Splicing

# String splicing 
str2="basic"
print(str1+str2)

pythonbasic

3. toggle case

# toggle case 
# Acronym conversion 
name="python basic"
print(name.title())

Python Basic

name="Python Basic"
print(name.lower())
print(name.upper())

python basic
PYTHON BASIC

4. Escape character

# Escape character , A newline 
str2="\nhadoop"
print(str1+str2)

python
hadoop

# r Original string , Escape character newline character will not take effect 
str2= r"\nhadoop"
print(str2)

\nhadoop