Imagine if your user enters "C1" and you need to see if there's an X or O in
that cell on the board. To do so, you need to translate from the string "C1"
to row 0 and column 2 so that you can check board[row][column].
Your task is to write a function that can translate from strings of length 2
to a tuple (row, column). Name your function get_row_col; it should take a
single parameter which is a string of length 2 consisting of an uppercase
letter and a digit.
For example, calling get_row_col("A3") should return the tuple (2, 0)
because A3 corresponds to the row at index 2 and column at index 0in the
Congratulations! You have finished the lesson
"Tic tac toe input".
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