**Task 7 (5 points)**Write a Python code that will calculate the value of \( y \) if the expression of \( y \) is as follows (n is the input):\[ y = 1 - 4 + 9 - 16 + 25 - 36 + 49 - 64 + 81 - 100 + \ldots + (-1)^{n+1}n^2 \]### Sample Input 1:5### Sample Output 1:15### Explanation:\[ y = 1 - 4 + 9 - 16 + 25 = 15 \]### Sample Input 2:10### Sample Output 2:-55### Explanation:\[ y = 1 - 4 + 9 - 16 + 25 - 36 + 49 - 64 + 81 - 100 = -55 \]

Here we have given the python code for the given question. You can find the solution in step2.

Task 7 (5 points) Write a Python code that will calculate the value of y if the expression of y is as follows (n is the input): y = 1² -2² + 3²-4² +5²......... +n² Sample Input 1: 5 Sample Output 1: 15 Explanation: y=1-4+9-16 + 25 = 15 Sample Input 2: 10 Sample Output 2: -55 Explanation: y = 1-4+9-16+ 25-36 +49-64 +81-100= -55

Task 7 (5 points) Write a Python code that will calculate the value of y if the expression of y is as follows (n is the input): y = 1² -2² + 3²-4² +5²......... +n² Sample Input 1: 5 Sample Output 1: 15 Explanation: y=1-4+9-16 + 25 = 15 Sample Input 2: 10 Sample Output 2: -55 Explanation: y = 1-4+9-16+ 25-36 +49-64 +81-100= -55

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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