How can I tell if a certain key was pressed in Python?

Question

import sys

print (sys.platform)
print (2 ** 100)
input('press Enter to exit')

Suppose I wanted to use the number 1 as the button that must be pressed to exit. How would I go about doing this?

Answer 1

Something like this?

Not so clean, but doable.

Answer 2

If you're building a command line app, why not use one of the libraries that help you build one.

For example:

Answer 3

Something like this will do what you want:

while(raw_input('Press "1" to exit.') != '1'):
    pass