Write a program to obtain a matrix and find the sum of the elements in the lower triangular matrix.Note: Only square matrixInput format :The first line of the input consists of the number of rows and columns.The second line of the input consists of the matrix element.Output format :The output prints the sum of the lower triangular matrix.Refer to the sample input and output for format specifications.Sample test cases :Input 1 :3 312 23 4556 78 8995 51 20Output 1 :312
Question
Write a program to obtain a matrix and find the sum of the elements in the lower triangular matrix.Note: Only square matrixInput format :The first line of the input consists of the number of rows and columns.The second line of the input consists of the matrix element.Output format :The output prints the sum of the lower triangular matrix.Refer to the sample input and output for format specifications.Sample test cases :Input 1 :3 312 23 4556 78 8995 51 20Output 1 :312
Solution
Here is a Python program that accomplishes the task:
# Function to calculate sum of lower triangular
def lower(matrix, row, col):
sum = 0
for i in range(0, row):
for
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