Write a piece of code that takes a string as input, and outputs a piece of code in the same language that, when run, will output the initial input string.
It must be able to handle any combination of characters A-Z, a-z, and 0-9.
Example in Python:
import sys print "print('" + sys.argv + "')"
Given the input of
testing123, it will return
Since this is code-golf, the shortest answer in bytes will win.