So I can't seem to get this. Without the 'while' loop this code works fine but as soon as I apply the loop it stops working right. From some reason it's treating x as a string. Like if x were 2 it would print y as '2222' instead of 16. I'm still new at this can someone tell my why? Thanks!
go = 'y'
while go == 'y':
print('enter x')
x = input()
y = x * 4
print(y)
print('go again?')
go = input()
Python 3's input function always returns a string. This is a change from Python 2, where input returned different kinds of Python objects depending on what was entered by the user. Python 3's version is equivalent to Python 2's raw_input.
With that background in mind, it's easy to fix your code. Just call the int constructor to turn your string into an integer. Or if you want to support non-integer values (like 1.4), use float instead.
As an aside, as your code is currently formatted in the question, it has an infinate loop. Is your logic to change the go variable really at top level? If so, it won't ever change during the loop, which will run forever.
This is actually dependent on your python version. input will automatically convert your string to an integer if it finds one. To prevent this, use the raw_input function in python < 3. For python 3 and above I believe this is the default behavior.
