How do I get user input from the keyboard in Python 2?

Question

I wrote a function in Python which prompts the user to give two numbers and adds them. It also prompts the user to enter a city and prints it. For some reason, when I run it in

Answer 1

input()

executes (actually, evaluates) the expression like it was a code snippet, looking for an object with the name you typed, you should use

raw_input()

This is a security hazard, and since Python 3.x, input() behaves like raw_input(), which has been removed.