def go_py():

    """

    >>> go_py()

    Spam!

    Spam!

    Spam!

    Spam!

    """

    for i in range(4):

        print u"Spam!"

def go_py_ret():

    """

    >>> go_py_ret()

    2

    """

    for i in range(4):

        if i > 1:

            return i

def go_c():

    """

    >>> go_c()

    Spam!

    Spam!

    Spam!

    Spam!

    """

    cdef int i

    for i in range(4):

        print u"Spam!"

def go_c_enumerate():

    """

    >>> go_c_enumerate()

    True

    True

    True

    True

    """

    cdef int i,k

    for i,k in enumerate(range(4)):

        print i == k

def go_c_int(int a, int b):

    """

    >>> go_c_int(1,5)

    Spam!

    Spam!

    """

    cdef int i

    for i in range(a,b,2):

        print u"Spam!"

def go_c_all():

    """

    >>> go_c_all()

    Spam!

    Spam!

    Spam!

    """

    cdef int i

    for i in range(8,2,-2):

        print u"Spam!"

def go_c_all_exprs(x):

    """

    >>> go_c_all_exprs(1)

    Spam!

    >>> go_c_all_exprs(3)

    Spam!

    Spam!

    """

    cdef long i

    for i in range(4*x,2*x,-3):

        print u"Spam!"

def go_c_const_exprs():

    """

    >>> go_c_const_exprs()

    Spam!

    Spam!

    """

    cdef int i

    for i in range(4*2+1,2*2,-2-1):

        print u"Spam!"

def f(x):

    return 2*x

def go_c_calc(x):

    """

    >>> go_c_calc(2)

    Spam!

    Spam!

    """

    cdef long i

    for i in range(2*f(x),f(x), -2):

        print u"Spam!"

def go_c_calc_ret(x):

    """

    >>> go_c_calc_ret(2)

    6

    """

    cdef long i

    for i in range(2*f(x),f(x), -2):

        if i < 2*f(x):

            return i

def go_c_ret():

    """

    >>> go_c_ret()

    2

    """

    cdef int i

    for i in range(4):

        if i > 1:

            return i

def go_list():

    """

    >>> go_list()

    Spam!

    Spam!

    Spam!

    Spam!

    """

    cdef list l = list(range(4))

    for i in l:

        print u"Spam!"

def go_list_ret():

    """

    >>> go_list_ret()

    2

    """

    cdef list l = list(range(4))

    for i in l:

        if i > 1:

            return i

def go_tuple():

    """

    >>> go_tuple()

    Spam!

    Spam!

    Spam!

    Spam!

    """

    cdef tuple t = tuple(range(4))

    for i in t:

        print u"Spam!"

def go_tuple_ret():

    """

    >>> go_tuple_ret()

    2

    """

    cdef tuple t = tuple(range(4))

    for i in t:

        if i > 1:

            return i

def go_dict():

    """

    >>> go_dict()

    Spam!

    Spam!

    Spam!

    Spam!

    """

    cdef dict d = dict(zip(range(4), range(4)))

    for i in d:

        print u"Spam!"

def go_dict_ret():

    """

    >>> go_dict_ret()

    2

    >>> global_result

    6

    """

    cdef dict d = dict(zip(range(4), range(4)))

    for i in d:

        if i > 1 and i < 3:

            return i

# test global scope also

global_result = None

cdef int i

for i in range(4*2+1,2*2,-2-1):

    if i < 7:

        global_result = i

        break