Can you please show me the code for the second question, the largest-at-position one? def longest_chain(lst: list[int]) -> int:Your longest_chain function from last week, make sure this works properlybefore proceeding with the rest of the lab!max = 0Liscounts = 0while Lis < len(lst):if lst[Lis]1:==counts += 1else:if counts > max:max = countsCounts = 0Lis += 1if counts > max:max= countsreturn maxdef largest at_position(matrix: list[list[int]], row: int, col: int) -> int:Returns the area of the largest rectangle whose top left corner is atposition , in .You MUST make use of the helper here as you loop througheach row of the matrix. Do not modify (i.e., mutate) the input matrix.>>> case1 = [[1, 0, 1, 0, 0],[1, 0, 1, 1, 1],[1, 1, 1, 1, 1],[1, 0, 0, 1, 0]]>>> largest_at_position(case1, 0, 0)4>>> largest_at_position(case1, 2, 0)>>> largest_at_position(case1, 1, 2)6

Returns the area of the largest rectangle whose top left corner is at position , in . You MUST make use of the helper here as you loop through each row of the matrix. Do not modify (i.e., mutate) the input matrix.

Returns the area of the largest rectangle whose top left corner is at position , in . You MUST make use of the helper here as you loop through each row of the matrix. Do not modify (i.e., mutate) the input matrix.

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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