Count JANs from multiple datasets

Hello there!

I received a request to create a program that calculates how many times each JAN code is used from two sets of data that contain JAN code strings.
With this program, the work that was previously done using Excel functions can be significantly streamlined, and accurate calculations can be made.

When dealing with thousands of records of data, an efficient calculation method must be selected.
To create the program, first, we obtain the two sets of data that contain the JAN code strings. Then, using sequence processing, we calculate how many times each JAN code is used. As the amount of data increases, this process is faster and more accurate than using Excel functions.

When performing such work using Excel functions, manual processing is necessary.
Therefore, there is a possibility of erroneous input or omissions.
However, using a program allows for accurate calculations and eliminates human error, resulting in obtaining reliable data.

In such cases, the price range is usually around 5,000 to 10,000 yen(approx $35 - 80).
By creating a program, time and effort can be significantly reduced, making it a very useful cost-effective option to consider.

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