Create a Python function, called nonIntegers (characterList), which takes a characterList list as a parameter, and which returns a string of characters. The elements of the listList are all of type string (str). These strings can contain characters which are positive integers such as '10' or '3' or else characters which are not positive integers (such as letters of alphabets, special characters, etc.). The return string consists of all the elements in the list that are not positive or zero integers, as well as the sum of positive or zero elements. If there is no positive or zero element then this sum will be zero. The format of the returned string must be as shown in the executions below. Use isdigit () to test whether an item in the list is a positive or zero integer. The program should not crash due to type conversions. Respect the type contract of the function: (list) -> str The returned string must be exactly as shown in the examples below. Examples (several executions): >>> nonlntegers (['1', '#', 'a', 'b', '3', 'r', 'O']) 'Non-positive integers: #gbr - Sum of positive integers: 4' >>> nolntegers (['", '17', '6', 'yes', '+', 'no']) 'No positive integers: * yes + no - Sum positive integers: 23' >>> nonlntegers (['22', '10', '8']) 'Non-positive integers: - Sum of positive integers: 40' >>> nonlntegers (['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday Sunday' ]) " Not integers positive: Monday Tuesday Wednesday Wednesday Friday Saturday Sunday Sunday - Sum positive integers: 0 '
Create a Python function, called nonIntegers (characterList), which takes a characterList list as a parameter, and which returns a string of characters. The elements of the listList are all of type string (str). These strings can contain characters which are positive integers such as '10' or '3' or else characters which are not positive integers (such as letters of alphabets, special characters, etc.). The return string consists of all the elements in the list that are not positive or zero integers, as well as the sum of positive or zero elements. If there is no positive or zero element then this sum will be zero. The format of the returned string must be as shown in the executions below. Use isdigit () to test whether an item in the list is a positive or zero integer. The program should not crash due to type conversions. Respect the type contract of the function: (list) -> str The returned string must be exactly as shown in the examples below. Examples (several executions): >>> nonlntegers (['1', '#', 'a', 'b', '3', 'r', 'O']) 'Non-positive integers: #gbr - Sum of positive integers: 4' >>> nolntegers (['", '17', '6', 'yes', '+', 'no']) 'No positive integers: * yes + no - Sum positive integers: 23' >>> nonlntegers (['22', '10', '8']) 'Non-positive integers: - Sum of positive integers: 40' >>> nonlntegers (['Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday Sunday' ]) " Not integers positive: Monday Tuesday Wednesday Wednesday Friday Saturday Sunday Sunday - Sum positive integers: 0 '
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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