def pretty_print(word_count_dict):
    '''Print nicely from highest to lowest frequency.'''
    # create a list of tuples, (value, key)
    # value_key_list = [(val,key) for key,val in d.items()]
    value_key_list=[]
    for key,val in word_count_dict.items():
        value_key_list.append((val,key))
    # sort method sorts on list's first element, the frequency. 
    # Reverse to get biggest first
    value_key_list.sort(reverse=True)
    # value_key_list = sorted([(v,k) for k,v in value_key_list.items()], reverse=True)
    print('{:11s}{:11s}'.format('Word', 'Count'))
    print('_'*21)
    for val,key in value_key_list:
        print('{:12s}  {:<3d}'.format(key,val))