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How can i write excel columns into one column in text file?

I have an excel sheet and have huge data in many columns and I need to print those columns to follow each other in one column in a text file .. I searched a lot for a tool to do this but couldn’t find and tried to take it manually but I’m stuck in the data. Can this be done

All unique combinations of a set of sets of values

If I have an arbitrary amount of elements, each with a specified set of values, what can I do to get all possible combinations with a value from each element’s set? For example, let’s say I have: What can I do to get the following? Input/output don’t need to use dicts, but I figured that&#82…

How can i delete the repeated numbers from a file?

i need to delete numbers that are iterated more than once .. if i know the repeated numbers already. Should i have two files .. one for the real numbers i have ” data .txt “. and the other contains the numbers which are iterated ” columns.txt” .. it is just for searching quickly the re…

How to add a delay when saving video frames as images

I have a series of videos and I want to save frames from them as images. This is my code: This code works but unfortunately, it takes a frame at every millisecond. This is not something I want. Instead, I want to save a frame at every 5 or 10 seconds. I thought about adding a time delay but that