text file80 1 2 3 100 100 100 1001 0 2 100 3 4 100 1002 2 0 4 4 100 5 1003 100 4 0 100 100 4 100100 3 4 100 0 3 3 3100 4 100 100 3 0 100 1100 100 5 4 3 100 0 2100 100 100 100 3 1 2 0My code below. I am getting an error when trying to create my adjacency matrix. i dont know what i am doing wrongdef readMatrix(inputfilename): ''' Returns a two-dimentional array created from the data in the given file. Pre: 'inputfilename' is the name of a text file whose first row contains the number of vertices in a graph and whose subsequent rows contain the rows of the adjacency matrix of the graph. ''' # Open the file f = open(inputfilename, 'r') # Read the number of vertices from the first line of the file n = int(f.readline().strip()) # Read the rest of the file stripping off the newline characters and splitting it into # a list of intger values rest = f.read().strip().split() # Create the adjacency matrix adjMat = [] adjrow=[] n=rest.split("
") a=[] for i in n: a.append(i.split(" ")) for i in a: adjrow=[] for j in i: if j=="100": adjrow.append("INF") else: adjrow.append(int(j)) adjMat.append(adjrow) # Return the matrix return adjMattestFile = input("Enter the name of the input file")graphMatrix = readMatrix(testFile)graphMatrix def readMatrix(inputfilename):Returns a two-dimentional array created from the data in the given file.Pre: 'inputfilename' is the name of a text file whose first row contains thenumber of vertices in a graph and whose subsequent rows contain the rows ofthe adjacency matrix of the graph.# Open the fileopen (inputfilename, 'r')+ =# Read the number of vertices from the first line of the fileint(f.readline(().strip())n =# Read the rest of the file stripping off the newline characters and splitting it into# a list of intger valuesrest =f.read().strip(). split()# Create the adjacency matrixadjMat = []adjrow=[]n=rest.split("
")a=[]for i in n:a.append(i.split(" "))for i in a:adjrow=[]for j in i:if j=="100":adjrow.append ("INF")else:adjrow.append (int(j))adjMat.append (adjrow)# Return the matrixreturn adjMatTest your function.testFile =input("Enter the name of the input file")Enter the name of the input fileinputfilename.txtgraphMatrix = readMatrix(testFile)graphMatrix AttributeErrorTraceback (most recent call last)C: \Users\WAGADE~1\AppData\Local\Temp/ipykernel_11140/1175540795.py in ---- 1 graphMatrix = readMatrix(testFile)2 graphMatrixC: \Users\WAGADE~1\AppData\Local\Temp/ipykernel_11140/1370766450.py in readMatrix(inputfilename)adjMat = []adjrow=[]n=rest.split("
")a=[]for i in n:2021--- 222324AttributeError: 'list' object has no attribute 'split'

Question

text file80 1 2 3 100 100 100 1001 0 2 100 3 4 100 1002 2 0 4 4 100 5 1003 100 4 0 100 100 4 100100 3 4 100 0 3 3 3100 4 100 100 3 0 100 1100 100 5 4 3 100 0 2100 100 100 100 3 1 2 0My code below. I am getting an error when trying to create my adjacency matrix. i dont know what i am doing wrongdef readMatrix(inputfilename):    ''' Returns a two-dimentional array created from the data in the given file.            Pre:  'inputfilename' is the name of a text file whose first row contains the            number of vertices in a graph and whose subsequent rows contain the rows of            the adjacency matrix of the graph. '''        # Open the file    f = open(inputfilename, 'r')    # Read the number of vertices from the first line of the file    n = int(f.readline().strip())    # Read the rest of the file stripping off the newline characters and splitting it into    # a list of intger values    rest = f.read().strip().split()        # Create the adjacency matrix    adjMat = []    adjrow=[]    n=rest.split(&#34;
&#34;)    a=[]    for i in n:        a.append(i.split(&#34; &#34;))    for i in a:                adjrow=[]        for j in i:            if j==&#34;100&#34;:                adjrow.append(&#34;INF&#34;)            else:                adjrow.append(int(j))        adjMat.append(adjrow)              # Return the matrix    return adjMattestFile = input(&#34;Enter the name of the input file&#34;)graphMatrix = readMatrix(testFile)graphMatrix def readMatrix(inputfilename):Returns a two-dimentional array created from the data in the given file.Pre: 'inputfilename' is the name of a text file whose first row contains thenumber of vertices in a graph and whose subsequent rows contain the rows ofthe adjacency matrix of the graph.# Open the fileopen (inputfilename, 'r')+ =# Read the number of vertices from the first line of the fileint(f.readline(().strip())n =# Read the rest of the file stripping off the newline characters and splitting it into# a list of intger valuesrest =f.read().strip(). split()# Create the adjacency matrixadjMat = []adjrow=[]n=rest.split(&#34;
&#34;)a=[]for i in n:a.append(i.split(&#34; &#34;))for i in a:adjrow=[]for j in i:if j==&#34;100&#34;:adjrow.append (&#34;INF&#34;)else:adjrow.append (int(j))adjMat.append (adjrow)# Return the matrixreturn adjMatTest your function.testFile =input(&#34;Enter the name of the input file&#34;)Enter the name of the input fileinputfilename.txtgraphMatrix = readMatrix(testFile)graphMatrix AttributeErrorTraceback (most recent call last)C: \Users\WAGADE~1\AppData\Local\Temp/ipykernel_11140/1175540795.py in ----> 1 graphMatrix = readMatrix(testFile)2 graphMatrixC: \Users\WAGADE~1\AppData\Local\Temp/ipykernel_11140/1370766450.py in readMatrix(inputfilename)adjMat = []adjrow=[]n=rest.split(&#34;
&#34;)a=[]for i in n:2021---> 222324AttributeError: 'list' object has no attribute 'split'

Accepted Answer

def readMatrix(inputfilename):    ''' Returns a two-dimentional array created from the data in the…