get_nth_word_from_string(s, n): This function takes a string s and a non-negative integer n as input. The string s may contain substrings of text separated by commas. The function should return the n'th comma-separated substring. We will start counting at 0, so if n=0, then the first substring should be returned (i.e., everything before the first comma, if there is such a comma); if n=1, then the second substring should be returned (i.e., everything between the first comma and second comma, if there is such a comma); and so on. If there is no n'th substring in s, then the empty string should be returned. Note: You may use the string count method in this function. Note: If a space follows a comma, do not include the space as part of the substring to be returned. |>> get_nth_word_from_string("dreary, pondered, weak, weary", 0) 'dreary' |>>> get_nth_word_from_string("dreary, pondered, weak, weary", 1) 'pondered' >>> get_nth_word_from_string("dreary, pondered, weak, weary", 3) 'weary' >> get_nth_word_from_string("dreary, pondered, weak, weary", 4)

get_nth_word_from_string(s, n): This function takes a string s and a non-negative integer n as input. The string s may contain substrings of text separated by commas. The function should return the n'th comma-separated substring. We will start counting at 0, so if n=0, then the first substring should be returned (i.e., everything before the first comma, if there is such a comma); if n=1, then the second substring should be returned (i.e., everything between the first comma and second comma, if there is such a comma); and so on. If there is no n'th substring in s, then the empty string should be returned. Note: You may use the string count method in this function. Note: If a space follows a comma, do not include the space as part of the substring to be returned. |>> get_nth_word_from_string("dreary, pondered, weak, weary", 0) 'dreary' |>>> get_nth_word_from_string("dreary, pondered, weak, weary", 1) 'pondered' >>> get_nth_word_from_string("dreary, pondered, weak, weary", 3) 'weary' >> get_nth_word_from_string("dreary, pondered, weak, weary", 4)

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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