python assign values to list elements in loop

Question

Is this a valid python behavior? I would think that the end result should be [0,0,0] and the id() function should return identical values each iteration. How to make it pyth

Answer 1

bar = [0 for x in bar]

Long answer : foo is just a local name, rebinding does not impact the list. Python variables are really just key:value pairs, not symbolic names for memory locations.