Pergunta de entrevista da empresa Qualtrics
Given a String representing a column (such as AAA), convert a return the column to a number, i.e. A = 1, Z = 26, AA = 27, etc...
Given a String representing a column (such as AAA), convert a return the column to a number, i.e. A = 1, Z = 26, AA = 27, etc...