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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 update_common(obj, report):
 """ do updated_at checks """

    # updated checks
    if obj['updated_at'] >= yesterday:
        report['_updated_today_count'] += 1
        if obj['updated_at'] >= last_month:
            report['_updated_this_month_count'] += 1
            if obj['updated_at'] >= last_year:
                report['_updated_this_year_count'] += 1