Python: Read a matrix from console and print the sum for each column
Python List: Exercise - 87 with Solution
Write a Python program to read a matrix from console and print the sum for each column. Accept matrix rows, columns and elements for each column separated with a space(for every row) as input from the user.
rows = int(input("Input rows: ")) columns = int(input("Input columns: ")) matrix = [*columns for row in range(rows)] print('Input number of elements in a row (1, 2, 3): ') for row in range(rows): lines = list(map(int, input().split())) for column in range(columns): matrix[row][column] = lines[column] sum = *columns print("sum for each column:") for column in range(columns): for row in range(rows): sum[column] += matrix[row][column] print((sum[column]), ' ', end = '')
Input rows: 2 Input columns: 2 Input number of elements in a row (1, 2, 3): 1 2 3 4 sum for each column: 4 6
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Previous: Write a Python program to create a 3X3 grid with numbers.
Next: Write a Python program to read a square matrix from console and print the sum of matrix primary diagonal. Accept the size of the square matrix and elements for each column separated with a space (for every row) as input from the user.
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