Which of the following arrays is heterogeneous?O [1, 3.14159, "Godzilla"]O [[1,2,3],[3,4,5],[6,7,8,9]]O ["Prince", "Elvis", "Godzilla"]O [1, 42, 66]

Ans: The following arrays that is heterogeneous is: a) [1, 3.14159, "Godzilla" ]

Answered: Which of the following arrays is…

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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Open Pycharm on your PC and create python file named Lab6.py. 1- Write the necessary code to initialize a numpy array (5,3,3) as follows: [[[6 2 6] [6 2 6] [6 2 6]] [[666] [666] [666]] [[666] [333] [666]] [[666] [666] [666]] [[7 6:6] [6 7 6] [667]]] 2- Generate a (7, 7) numpy array that consists of integer random values between 10 and 50 and answer the following: a. What is the minimum value in each column b. What is the mean for each row c. Generate the cumulative product of each column d. Count the number of elements in the array whose values are greater than 30 and smaller than 40 e. Display the elements in the arrays that equals to 20 f. Multiply by 5 the elements whose value is less than 30. g. Display the largest 5 elements in the array 3- Define two numpy 1D arrays X and Y; initialize them to random numbers between 0 and 100 and print the elements in X that do not exist Y.
Python Please **Bold is code** Recap of two-dimensional arrays and their numpy implementation import numpy as np my_2d_array = np.array([[1,2],[3,4],[5,6]]) print("This is my_2d_array:") print(my_2d_array) print("This array has shape " + str(my_2d_array.shape) + " as there are " + str(my_2d_array.shape[0]) + " rows and " + str(my_2d_array.shape[1]) + " columns.") print("The entry of the array with row index " + str(1) + " and column index " + str(1) + " has value " + str(my_2d_array[1,1])) 1) In this problem, implement a TwoDArray class that is meant to mimic (some of) the functionality of a two-dimensional numpy array. DO NOT use numpy at any point. 1A) Give the class an __init__ method Make sure that the variable array is a valid input. This means you should a) Make sure that array is a list of lists. and b) Make sure that each of the inner lists has the same length. You do not need to check for anything else. Rise the appropriate error(s) if these conditions are not met. It is up…
Please write the code in C programming language!!!

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Which of the following arrays is heterogeneous? O [1, 3.14159, "Godzilla"] O [[1,2,3],[3,4,5],[6,7,8,9]] O I"Prince", "Elvis", "Godzilla"] O [1, 42, 66]