def foo():
    x = list()
    for i in xrange(5):
        def FUN():
            print i
        x.append(FUN)
    print x
    for i in xrange(5):
        print x[i]
        x[i]()
    # prints 0 1 2 3 4
    print '--'
    for f in x:
        print f
        f()
    # prints 4 4 4 4 4
        
foo()