How can I convert a string to an int in Python?

Question

The output I\'m getting for my little example app is the following:

Welcome to the Calculator!
Please choose what you\'d like to do:
0: Addition
1: Subtracti         


        

Answer 1

def addition(a, b): return a + b

def subtraction(a, b): return a - b

def multiplication(a, b): return a * b

def division(a, b): return a / b

keepProgramRunning = True

print "Welcome to the Calculator!"

while keepProgramRunning:
 print "Please choose what you'd like to do:"