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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 validate_iops(iops):
 """DBInstance Iops validation rules."""


    iops = integer(iops)
    if int(iops) == 0:
        return iops
    if int(iops) < 1000:
        raise ValueError("DBInstance Iops, if set, must be greater than 1000.")
    return iops