Question 8 - distinct_words In this problem you will produce a sorted list of the distinct words found in a file (all converted to lower-case). For example >>> distinct_words('peter.txt') ['a', 'if, 'is', 'of, 'peck', 'peppers', 'peter', 'picked', 'pickled', 'piper', 'the', 'where'] To receive full credit, \textbf{your code for this problem MUST reasonably use the word distribution function. (Hint: the keys of any dictionary are distinct)

Question 8 - distinct_words In this problem you will produce a sorted list of the distinct words found in a file (all converted to lower-case). For example >>> distinct_words('peter.txt') ['a', 'if, 'is', 'of, 'peck', 'peppers', 'peter', 'picked', 'pickled', 'piper', 'the', 'where'] To receive full credit, \textbf{your code for this problem MUST reasonably use the word distribution function. (Hint: the keys of any dictionary are distinct)

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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3. lookup_friends_heights This function takes a friends database (a list of dictionaries, like the previous functions) and a list of friends names, and it returns a list of heights for the specified friends. If a given friend's name is not present in the friends database, we put a None in the corresponding slot. We assume that there will be at most one friend with a given name in the list. You may want to use nested for-loops for this function. Sample calls should look like this. >>> lookup_friends_heights([{"name":"todd","height":170},{"name": "sarah", "height":165},{"name":"dweezil", "height":175}], ["dweezil", "sarah"]) [175, 165] >>> lookup_friends_heights([{"name": "todd","height":170},{"name": "sarah","height":165},{"name": "dweezil", "height":175}], %3D ["sarah", "elíza", "dweezil"]) [165, None, 175]
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dict = { 'a': [1,2,3,4] 'b': [3,6,7,8] 'c': [9,1,9,1]{ Iterate over the above dictionary 1- display letter and highest value2- display letter and mean of values in corresponding list3- display the letter that the highest value among all lists Example output:highest value in each letters lista : 4b : 8c : 9 Mean value for each letter:a : 2.5b : 6c : 5 The highest valuec : 9