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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_free_memory_win():
 """Return current free memory on the machine for windows. Warning : this script is really not robust Return in MB unit """

    stat = MEMORYSTATUSEX()
    ctypes.windll.kernel32.GlobalMemoryStatusEx(ctypes.byref(stat))
    return int(stat.ullAvailPhys / 1024 / 1024)