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def example():
    f = open(INPUT,'rb')

    count = 1
    while 1:
        gid = codes_grib_new_from_file(f)
        if gid is None: break
        print("\n\n-- GRIB %d --" % count)

        #   codes_dump should only be used for diagnostic purposes.
        #
        #   To process the data and grib headers, you will have to use
        #   codes_get and request the decoding of the keys you need,
        #   e.g. the date, the time, the parameter, the "level".

        codes_dump(gid)

        # Replace this call to codes_dump with calls to codes_get
        # for each key/value pair needed, e.g.:
        #
        #   date = codes _get(gid,'date')

        codes_release(gid)
        count += 1

    f.close()

def example():
    f = open(INPUT,'rb')

    count = 1 
    while 1:
        gid = codes_grib_new_from_file(f)
        if gid is None: break
        print ("\n\n-- GRIB %d --" % (count))
        # codes_dump should only be used for diagnostic purposes.
        #   
        #   To process the data and grib headers, you will have to use 
        #   codes_get and request the decoding of the keys you need,
        #   e.g. the date, the time, the parameter, the "level".
        #   

        # codes_dump(gid)

        #   
        # Replace this call to codes_dump with calls to codes_get
        # for each key/value pair needed, e.g.:
        #    
        #   idate = codes_get(gid,'date')

        edition = codes_get(gid,'edition')
        shortName = codes_get(gid,'shortName')
        date = codes_get(gid,'date')
        time = codes_get(gid,'time')
        levType = codes_get(gid,'typeOfLevel')
        level = codes_get(gid,'level')

        print("Edition=%d Parameter=%s typeOfLevel=%s level=%d date=%d time=%d\n" % 
              (edition, shortName, levType, level, date, time))
        #print (edition, shortName, levType, level, date, time)

        values = codes_get_array(gid,'values')

        print("First 20 values:\n----------------\n")
        for i in range(20):
            print("%.4f" % (values[i]))

        maximum = codes_get(gid,'max')
        minimum = codes_get(gid,'min')
        average = codes_get(gid,'average')

        print("max = %.4f  min = %.4f  average = %.4f\n" % (maximum, minimum, average))

        codes_release(gid)
        count += 1

    f.close()