Download the CSV file $"$HK$\_$max$\_$temp.csv$".$ This dataset includes the daily maximum

temperature from $2011$ to $2019.$ Please load it into the Pandas DataFrame and answer the

following questions

a$)$ Find the maximum temperature of each year

b$)$ Find the minimum temperature of each year

c$)$ Find the average temperature of each year

d$)$ Plot the average temperature over years and

label the axis in the graph. $($E$.$g$.$ Title, $x-$label and

y$-$label$)\text{'}$

Hint: Use DataFrame groupby function