python drop_duplicates by column code example
Example 1: python: remove duplicate in a specific column
df = df.drop_duplicates(subset=['Column1', 'Column2'], keep='first')
Example 2: df remove duplicate rows
df = df.drop_duplicates()
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df = df.drop_duplicates(subset=['Column1', 'Column2'], keep='first')
df = df.drop_duplicates()
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