port random random.seed = 1 class array:     def __init__(self, valuelist):         self.__atos = valuelist.copy() # this variable is the array that holds the data     def additem(self, value):         # adds a item to the array     def printarray(self):         # prints the self.atos           def __contains__(self, key):         # To test t

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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PYTHON

import random
random.seed = 1

class array:
    def __init__(self, valuelist):
        self.__atos = valuelist.copy() # this variable is the array that holds the data

    def additem(self, value):
        # adds a item to the array

    def printarray(self):
        # prints the self.atos      

    def __contains__(self, key):
        # To test the binary search change the "__linearsearch" to "__binsearch"
        return self.__linearsearch(key)

    def __linearsearch(self, key):
        # Implements the linear search to find an item in the array
        #######################################################################
        # Remove the pass and write code
        #######################################################################
        pass
        #######################################################################
        # End code
        #######################################################################

    def __binsearch(self, key):
        temp = sorted(self.atos)
        # Implements the binary search to find an item in the array temp. This implements an iterative bin search algorithm.
        #######################################################################
        # Remove the pass and write  code
        #######################################################################
        pass
        #######################################################################
        # End code
        #######################################################################

    def maximum(self):
        return self.__findksmallest(len(self.__atos))

    def minimum(self):
        return self.__findksmallest(1)


    def __findksmallest(self, k):
        # Implements the selection algorithm
        #######################################################################
        # Remove the pass and write  code
        #######################################################################
        pass
        #######################################################################
        # End code
        #######################################################################

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