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    "# ---------------------------------------------------------------\n",
    "# python best courses https://courses.tanpham.org/\n",
    "# ---------------------------------------------------------------\n",
    "# Write a Python program which takes two digits m (row) and n (column) as input and generates a two-dimensional array. \n",
    "# The element value in the i-th row and j-th column of the array should be i*j.\n",
    "# Note :\n",
    "# i = 0,1.., m-1 \n",
    "# j = 0,1, n-1.\n",
    "\n",
    "# Input\n",
    "# Input number of rows: 3                                                                                       \n",
    "# Input number of columns: 4  \n",
    "\n",
    "# Output\n",
    "# [[0, 0, 0, 0], [0, 1, 2, 3], [0, 2, 4, 6]] "
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