First of all,python strings can not be changed,because they are immutable.
- String escape
'Isn\'t,he said' "Isn\"t,he said"
- more readable string
print("Isn\"t,he said")
- do not want to escape
print(r'C:some\name')
- String concatenating
"py" + "pyon" "py" "pyon" #works prefix="py" prefix "thon" #does't work 3 * "un" "beat" #does't work prefix + (3 * "un") #works
- String indexing
word="python" word[0] #'p' word[-1] #'n'
- String slicing
word="python" word[0:2] #'py'
- String length
the build-in function len() returns the length of a string.