intert values in python string code example

Example 1: insert into string python more than one

>>> shepherd = "Mary"
>>> age = 32
>>> stuff_in_string = "Shepherd {} is {} years old.".format(shepherd, age)
>>> print(stuff_in_string)
Shepherd Mary is 32 years old.

Example 2: how to add a variable to an string

var str = "ello";
var letter = "h";
str = letter + str;