Lab 1 - 2D ListsFor this lab, you will work with two-dimensional lists in Python. Do the following:1. [4 points] Write a function that returns the sum of all the elements in a specified column in a matrix using the following header:def sumColumn(matrix, columnindex)2. [2 points] Write a function display() that displays the elements in a matrix row by row, where the values in each row are displayed on a separate line. Use a singlespace to separate different values. Sample output from this function when it is called on a 3 X4 matrix is as follows:2.5 3.0 4.0 1.51.5 4.0 2.0 7.53.5 1.0 1.0 2.53. [4 points] Given this partial codedef getMatrix(numRows, numColumns):"returns a matrix with the specified number of rows and columns"m = [] # the 2D list (i.e., matrix), initially emptyfor row in range(numRows):matrix_dimensions_string = str(numRows) + "-by-" + str(numColumns)line = input("Enter a "+ matrix_dimensions_string + " matrix row for row "+ str(row) + ": ")return mwrite a function called getMatrix(numRows, numColumns) that returns a matrix with numRows rows and numColumns columns. The function reads the valuesof the matrix from the user on a row by row basis. The values of each row must be entered on one line using a space to separate the values. Use loops in yoursolution. A sample run of this function when it is caled as getMatrix(3, 4) to return a 3 by 4 matrix is as follows. Values shown in red are entered by the user:Enter a 3-by-4 matrix row for row 0: 2.5 3 4 1.5Enter a 3-by-4 matrix row for row 1: 1.5 4 2 7.5Enter a 3-by-4 matrix row for row 2: 3.511 2.5 Enter a 3-by-4 matrix row for row 0: 2.5 3 4 1.5Enter a 3-by-4 matrix row for row 1: 1.5 427.5Enter a 3-by-4 matrix row for row 2: 3.511 2.5Use the following function to test your code:def main():m = getMatrix(3, 4)print("\nThe matrix is")display(m)print()for col in range(len(m[0])):print("Sum of elements for column %d is %.2f" % (col, sumColumn(m,col)))main()A sample program run is as follows:Enter a 3-by-4 matrix row for row 0: 1 22 3.7869 8Enter a 3-by-4 matrix row for row 1: 4 5.6543 3 3Enter a 3-by-4 matrix row for row 2: 1111The matrix is1.0 22.0 3.7869 8.04.0 5.6543 3.0 3.01.0 1.0 1.0 1.0Sum of elements for column 0 is 6.00Sum of elements for column 1 is 28.65Sum of elements for column 2 is 7.79Sum of elements for column 3 is 12.00

#Two Dimensional list python program #function returns the sum of all elements in specified column…

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Engineering

Computer Science

For this lab, you will work with two-dimensional lists in Python. Do the following:

C++ for Engineers and Scientists

4th Edition

ISBN:9781133187844

Author:Bronson, Gary J.

Publisher:Bronson, Gary J.

Chapter7: Arrays

Section7.1: One-dimensional Arrays

Problem 10E: (Electrical eng.) Write a program that specifies three one-dimensional arrays named current,...

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