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Pandas. dataframe. drop_duplicates usage instructions

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Dataframe. drop_duplicates (subset = none, keep = 'first', inplace = false)

SubsetTo determine which column duplicate occurs, all columns are considered by default.
KeepContains three parametersFirst,Last,False,FirstIt indicates that the first repeat data retrieved is retained and all subsequent data are deleted;LastIndicates that the last retrieved duplicate data is retained and all previously searched duplicate data is deleted,FalseThis means that all searched duplicate data is deleted and none is retained. That is, if two rows of data are duplicated, both rows of data are deleted instead of one row. The default parameter isFirst.

Pandas. dataframe. drop_duplicates usage instructions

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