заменить значения столбцов панды
df['column'] = df['column'].str.replace(',','-')
df
Better Badger
df['column'] = df['column'].str.replace(',','-')
df
df['coloum'] = df['coloum'].replace(['value_1','valu_2'],'new_value')df.loc[df['column'] == 'column_value', 'column'] = 'new_column_value'