How to create nested dictionaries from excel sheet using Openpyxl
问题 I am new to programming and am trying to do the following (so far unsuccessfully): I have an excel spreadsheet with product codes , sellers and prices and am trying to update the prices in my spreadsheet from two different spreadsheets sent by wholesalers. I want a program to correctly search an excel spreadsheet and copy the corresponding price from there to the correct location above. So I want to, for example: download the price for product code '92526' sold by wholesaler A. I want to