judy2k · August 29, 2015 14:07
diff --git a/writeable_closures.py b/writeable_closures.py
 #!/usr/bin/env python

 def outer():
    i = [0]
    def inner():
        i[0] += 1
        print i[0]
    return inner

 f = outer()
 f()
 f()
diff --git a/writeable_closures_py3.py b/writeable_closures_py3.py
 #!/usr/bin/env python3.4

 def outer(i):
    def inner():
        nonlocal i
        i += 1
        print(i)
    return inner

 f = outer(4)
 f()
 f()