the output of this code is:

    Enter the number of teams:4
    Enter the number of teams:4
    Enter the number of teams:4
    Enter a file name:testGraph.txt
    [[1, 2], [0, 3], [0, 3], [1, 2]]
    [[0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0]]
    [[1, 1, 1, 1], [1, 1, 1, 1], [1, 1, 1, 1], [1, 1, 1, 1]]

[[0, 1, 1, 0], [1, 0, 0, 1], [1, 0, 0, 1], [0, 1, 1, 0]]