__doc__ = u"""

    >>> x = 1

    >>> for i in range(10):

    ...     x = x + i

    >>> x

    46

"""

def add_pyrange(max):

    """

    >>> add_pyrange(10)

    46

    """

    x = 1

    for i in range(max):

        x = x + i

    return x

def add_py(max):

    """

    >>> add_py(10)

    46

    """

    x = 1

    for i from 0 <= i < max:

        x = x + i

    return x

def add_c(max):

    """

    >>> add_c(10)

    46

    """

    cdef int x,i

    x = 1

    for i from 0 <= i < max:

        x = x + i

    return x