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Organize order columns dataframe

Python change column order in dataframe

cols = df.columns.tolist()
cols = cols[-1:] + cols[:-1] #bring last element to 1st position
df = df.reindex(cols, axis=1)

Organize order columns dataframe

#create a new df to organize columns order
organized_df = pd.DataFrame({'col1':existing_df.col1, 'col2':existing_df.col2, 'col3':existing_df.col3)

#or

existing_df = existing_df.reindex(columns = ['col1','col3','col2'])

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