how to get the length of a string in python stack overflow

1string = "test"
2print(len(string))
3#>>> Output "4"

1string = "Hello World"
2len(string) # number of characters in string
3print(len(string)
4      
5result: 
611

1>>> s = 'please answer my question'
2>>> len(s)  # number of characters in s
325
4