Understanding coding with Python

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
7748739591542267466819646333LETH282LETH126447005.26 Har5.2615754856551709567815
7748839591542267466819646333LETH282LETH126653005.26 HAR5.2615754856551709567815
82909545629332326466819646333PIMC385PIMC351818005.26 HAR5.2615798937721736518457
183546554349762439466819646333CCMS139CCMS094835005.26 HARRIS5.2615825759371742569409
283222563155712390466819646333HOS269HOS0038020424 HAR42416377825731736800991
304222464981962410466819646333PMM361PMM0110354005.133 HAR5.1316377825731736800991
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33570386744828158446681964633352182T 5206011005.26 HAR5.2616407292551640729255
336433367515921585466819646333Montessori522T 5320011005.26 HAR5.2616407292551640729255
33749376761011158646681964633354180T 5410339005.26 HAR5.2616407292551640729255
341896567997801590466819646333RIA397T 6305550005.26 HAR5.2616407292551640729255
341896667997801590466819646333RIA397T 6309007005.26 HAR5.2616407292551640729255