Example1 There is a sequence of numbers, you need to select the number that is not repeated. Write SPL script:

Example The Excel file book1.xlsx has two columns of Car and Color. Part of the data is shown in the figure below:

Example There is an Excel file Book1.xlsx, and part of the data is as follows:

Example There is an Excel file Book1.xlsx, and part of the data is as follows:

Example There is an Excel file mat.xlsx, part of the data is as follows:

Example There is an Excel file mat.xlsx, part of the data is as follows:

Example There is an Excel file Book1.xlsx, part of the data is as follows:

Example There are multiple Excel files Book1.xlsx, Book2.xlsx, Book3.xlsx,…, the naming rule of these files is Book[N].xlsx, N is a number starting from 1, the data in the file is as follows: Book1.xlsx