Solve problem "Swap the columns" online - Learn Python 3 - Snakify

Swap the columns


Statement

Given two positive integers \( m \) and \( n \), \( m \) lines of \( n \) elements, giving an \( m \times n \) matrix \( A \), followed by two non-negative integers \( i \) and \( j \) less than \( n \), swap columns \( i \) and \( j \) of \( A \) and print the result.

Write a function swap_columns(a, i, j) and call it to exchange the columns.

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In all the problems input the data using input() and print the result using print().

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