Question: 1) create a simple 3-row by 3-column Data Frame whose elements given by random integers 3x3 array between 10and 20 (inclusive). Make the rows and

1) create a simple 3-row by 3-column Data Frame whose elements given by random integers 3x3 array between 10and 20 (inclusive). Make the rows and columns names as: 'rI', 12', r3 and 'el', c2, c3, respectively

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