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def find_boundaries(df, variable, distance=1.5):

    IQR = df[variable].quantile(0.75) - df[variable].quantile(0.25)

    lower_boundary = df[variable].quantile(0.25) - (IQR * distance)
    upper_boundary = df[variable].quantile(0.75) + (IQR * distance)

    return upper_boundary, lower_boundary
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