Using the same dataset ('https://storage.googleapis.com/dqlab-dataset/retail_raw_reduced.csv'), create a line chart with Matplotlib, showing the daily number of customers during the month of December.
Some specifications to watch out for:
Figure size is 10x5 The x-axis is the date of purchase, from December 1 - 31, 2019.
The y-axis is the number of unique customers on each date.
Title and axis label must be present, please adjust the writing and style yourself.