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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_monitor_pos(monitor):
 """ Returns the position of the monitor's viewport on the virtual screen. Wrapper for: void glfwGetMonitorPos(GLFWmonitor* monitor, int* xpos, int* ypos); """

    xpos_value = ctypes.c_int(0)
    xpos = ctypes.pointer(xpos_value)
    ypos_value = ctypes.c_int(0)
    ypos = ctypes.pointer(ypos_value)
    _glfw.glfwGetMonitorPos(monitor, xpos, ypos)
    return xpos_value.value, ypos_value.value