Sort-by-Length Write a function sort_by_length (words: List[str]) -> List[str] that returns a list of words, sorted by the length of each word and if some words have the same length, sort them alphabetically. For example, sort_by_length(['this', 'is', 'a', 'test', 'for', 'sorting', 'by', 'length']) == ['a', 'by You can see that the given list is sorted by the length of each word. The shortest word 'a' is in the first position. The by and is have the same length but b comes before i. How do you implement this function? Here are some steps you can follow: 1. Start with an empty list length_word_tuples 2. For each word, create a tuple where its first element is the length of the word and the second argument is the word itself e.g. (4, 'this'). Append the tuple into length_word_tuples. 3. Sort the list length_word_tuples using sorted() function. What is the type of each element of length_word_tuples? How is this different from calling sorted (words)? 4. Create another empty list called ans. 5. Use a for loop with a tuple assignment i.e. (1, w) to extract each word-length pair from length_word_tuples. Append each w to ans. 6. Finally, return the list ans.
Sort-by-Length Write a function sort_by_length (words: List[str]) -> List[str] that returns a list of words, sorted by the length of each word and if some words have the same length, sort them alphabetically. For example, sort_by_length(['this', 'is', 'a', 'test', 'for', 'sorting', 'by', 'length']) == ['a', 'by You can see that the given list is sorted by the length of each word. The shortest word 'a' is in the first position. The by and is have the same length but b comes before i. How do you implement this function? Here are some steps you can follow: 1. Start with an empty list length_word_tuples 2. For each word, create a tuple where its first element is the length of the word and the second argument is the word itself e.g. (4, 'this'). Append the tuple into length_word_tuples. 3. Sort the list length_word_tuples using sorted() function. What is the type of each element of length_word_tuples? How is this different from calling sorted (words)? 4. Create another empty list called ans. 5. Use a for loop with a tuple assignment i.e. (1, w) to extract each word-length pair from length_word_tuples. Append each w to ans. 6. Finally, return the list ans.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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