generate_boxplot.py

def generate_boxplot(df, x_variable):
    """
    This function generates a basic histogram of a column's data, with
    outliers removed
    Arguments:
        df: Pandas dataframe
        x_variable: String. Name of the column that we want to generate 
        boxplot from
    Outputs:
        Box plot in console.
    """  
    plt.boxplot(list(df[x_variable].dropna()), showfliers=False)
    plt.show()

...
#Execution in main script
generate_boxplot(dataframe, x_variable='TotalBaseNonWaterVolume')