def txt(file,n_righe):
    f = open(file)
    lines = f.readlines()

    l = []
    for line in lines:
        for c in line:
            l.append(ord(c))

    mat = []
    n_columns = len(l) // n_righe + len(l) % n_righe
    print(len(l))
    print(l)

    for i in range(n_righe):
        riga = []
        for j in range(n_columns):
            print(f"{n_columns}*{i} + {j} = {n_columns*i + j}")
            if n_columns*i + j >= len(l):

                riga.append(0)
            else:
                riga.append(l[j*(i+1)])

        mat.append(riga)

    print(mat)


txt("text/test1.txt",2)