What is rong with task $2?$Task$-1$: Read the serial$\_$numbers.csv file and store the dataset in a variable named obs. Display all the rows of the dataframe obs.

Task$-2$: Define a function named plot$\_$serial$\_$numbers to make a histogram of any dataframe of serial numbers. It should take one argument, a dataframe like obs

with one column named serial number. It should plot a histogram of the values in the column using bins of width $10$ ranging from $1$ to $170$ but return nothing. Also,

the plot must display appropriate $x-$label, $y-$label, and title. Then, call that function to make a histogram of the serial numbers in the column serial number of the

dataframe obs $.$