Python code please for commented steps

Your I urn Here Do you still remember how to index a row/column? [5] 1 \#\#\#\# index row ' c ' below 2 [6] 1 \#\#\#\# index column 'two' below 2 Aforementioned method can be applied to dataframes. [20] 1 \#\#\#\# Let us generate a random dataframe 2 rand_df = pd.DataFrame(np.random.randn (5,3), 3 index=['a', 'b', 'c','d','e'], 4 columns=['one', 'two', 'three' ]) 5 rand_df = rand_df.mask(np.random.random(rand_df.shape) <.3 rand_df your tasks are as follows: fill missing values in column one with value two forward-filling three backward-filling. insert code here>