time_series_decomp.py

def decompose_time_series(series):
    """
    Decompose a time series and plot it in the console
    Arguments: 
        series: series. Time series that we want to decompose
    Outputs: 
        Decomposition plot in the console
    """
    result = seasonal_decompose(series, model='additive')
    result.plot()
    pyplot.show()

#Execute in the main block

#Convert the Date column into a date object
electricity_df['Date']=pd.to_datetime(electricity_df['Date'])
#Set Date as a Pandas DatetimeIndex
electricity_df.index=pd.DatetimeIndex(electricity_df['Date'])
#Decompose the time series into parts
decompose_time_series(electricity_df['Electricity_Price'])