Write a function called popular_author that accepts a list of book dictionaries b as a parameter,...
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Write a function called popular_author that accepts a list of book dictionaries b as a parameter, and returns a string with the full name(s) of the most popular author(s) (sorted), separated by a comma if need be.. Note Each dictionary object in the list will contain three keys, 'title', 'author', and 'year' Sample >>> popular_author ([['title': 'C++ How to Program¹ , 'author' : 'Harvey Deitel', 'year': '1994'}, {'title': 'Introduction to Algorithms', 'author': 'Charles E. Leiserson', 'year': '1989'), ['title': 'C# for Programmers', 'author': 'Harvey Deitel', 'year' : '2008'], ['title': 'Code Complete' , 'author': 'Steve McConnell', 'year': '1993'}]) Harvey Deitel >>> popular_author ([['title': 'Advanced Research in VLSI' 'author' 3 : 'Charles E. Leiserson', 'year': '1986'}, {'title': 'C++ How to Program', 'author': 'Harvey Deitel', 'year': '1994'}, {'title': 'Introduction to Algorithms', 'author': 'Charles E. Leiserson', 'year': '1989'], ['title': 'C# for Programmers', 'author': 'Harvey Deitel', 'year': '2008'], ['title': 'Code Complete' , 'author' : 'Steve McConnell', 'year': '1993'}]) Charles E. Leiserson, Harvey Deitel Input/Output Input consists of a list literal that HackerRank will read in as b, pass to your function, and then output the resulting string. Constraints • b will contain at least one book record. Write a function called popular_author that accepts a list of book dictionaries b as a parameter, and returns a string with the full name(s) of the most popular author(s) (sorted), separated by a comma if need be.. Note Each dictionary object in the list will contain three keys, 'title', 'author', and 'year' Sample >>> popular_author ([['title': 'C++ How to Program¹ , 'author' : 'Harvey Deitel', 'year': '1994'}, {'title': 'Introduction to Algorithms', 'author': 'Charles E. Leiserson', 'year': '1989'), ['title': 'C# for Programmers', 'author': 'Harvey Deitel', 'year' : '2008'], ['title': 'Code Complete' , 'author': 'Steve McConnell', 'year': '1993'}]) Harvey Deitel >>> popular_author ([['title': 'Advanced Research in VLSI' 'author' 3 : 'Charles E. Leiserson', 'year': '1986'}, {'title': 'C++ How to Program', 'author': 'Harvey Deitel', 'year': '1994'}, {'title': 'Introduction to Algorithms', 'author': 'Charles E. Leiserson', 'year': '1989'], ['title': 'C# for Programmers', 'author': 'Harvey Deitel', 'year': '2008'], ['title': 'Code Complete' , 'author' : 'Steve McConnell', 'year': '1993'}]) Charles E. Leiserson, Harvey Deitel Input/Output Input consists of a list literal that HackerRank will read in as b, pass to your function, and then output the resulting string. Constraints • b will contain at least one book record.
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