python langauge please

fast if possible please

Define a data frame for stock level and unit price of four products. Use these values to calculate the total holding cost of each product if unit holding cost is 0.5J0D/ unit. Add these values to the data frame. Calculate the total sales if all stored units are sold. Add these new values to the data frame. Construct a bar chart for the total holding cost and sales versus products. [on one chart]