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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def column_describe(table_name, col_name):
 """ Return summary statistics of a column as JSON. Uses Pandas' "split" JSON format. """

    col_desc = orca.get_table(table_name).get_column(col_name).describe()
    return (
        col_desc.to_json(orient='split'),
        200,
        {'Content-Type': 'application/json'})