How to use 'pandas duplicated' in Python
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49 def remove_duplicates(df_or_series): 50 """ Remove duplicate rows or values by keeping the first of each duplicate. 51 52 Parameters 53 ---------- 54 df_or_series : :any:`pandas.DataFrame` or :any:`pandas.Series` 55 Pandas object from which to drop duplicate index values. 56 57 Returns 58 ------- 59 deduplicated : :any:`pandas.DataFrame` or :any:`pandas.Series` 60 The deduplicated pandas object. 61 """ 62 # CalTrack 2.3.2.2 63 return df_or_series[~df_or_series.index.duplicated(keep="first")]