Consider the following code:cities = ['Jakarta','Delhi','Newyork','Bonn','Kolkata','Bangalore','Seoul']cities_len = {}for city in cities:cities_len[len(city)].append(city)The code gives the following error when executed:Traceback (most recent call last):File "C:/Users/Anna/AppData/Local/Programs/Python/Python39/file3.py", line 4, in cities_len[len(city)].append(city)KeyError: 7Which of the following can you use to remove this error?This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.optionAOrderedDictoptionBChainMapoptionCdefaultdictoptionDLRU cache dictionary