# expected behavior:

def f(a,b):
    class X:
        c = a
        b = "foo"
        def g(self):
            return b
    return X

print f(5,6).c      # 5
print f(5,6)().g()  # 6
print hasattr(f(5,6), 'a')   # False
print f(5,6).b      # 'foo'


# in the following example, 'a' and 'b' unexpectedly
# show up in the class definition because of the call
# to locals(), which a genuine class might want to do
# e.g. to do some post-processing on the methods.

# note in particular that the nested 'b' overrides
# the class 'b' in the class definition, which is bad


def f(a,b):
    class X:
        c = a
        b = "foo"
        def g(self):
            return b
        print locals()   # {'a': 5, 'b': 6, 'c': 5, ...}
    return X

print f(5,6).c      # 5
print f(5,6)().g()  # 6
print f(5,6).a      # 5 -- unexpected
print f(5,6).b      # 6 -- really bad