A gotcha in Python's closures

closure-gotcha.py

def something_awesome():
    awesome = 1
    def increase_awesomeness():
        awesome += 1

    increase_awesomeness()
    return awesome

one-solution.py

def something_awesome():
    def increase_awesomeness():
        increase_awesomeness.awesome += 1

    increase_awesomeness.awesome = 1
    increase_awesomeness()
    return increase_awesomeness.awesome