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Appending Dataframe in for loop is not working

I’m getting crazy with that. I don’t know why is not working well. My loop is the following: In the first print I obtain: But when I show the following dataframe value: I obtain: So it seems that is only concatenating the last value. PD: See charge column in order to see differences between datafr…

Remove duplicates from each cell

I have a file like this and need to remove duplicates in each cell without changing the order or format The missing data are noted as . (dot). So far I have tried with awk But it is killing the format. Is there any other way to do this ? Expected output Answer with sed

Identify and count segments between a start and an end marker

The goal is to fill values only between two values (start and end) with unique numbers (will be used in a groupby later on), notice how the values between end and start are still None in the desired output: Code: Answer Usually problems like these are solved by fiddling with cumsum and shift. The main idea fo…

Make dictionary from multiple list

I have a list of customers, and I want to generate a list of random numbers between 1 to 4 for each customer. I used the code below: but I want to have a dictionary like: How would I go about doing this in python? Answer Slight modifications to your existing loop is all you need. You can use your

upload multiple files with fetch

I am trying to receive more than one file per time using reactjs and flask api, but I get this error fontend code using reactjs backend code using flask flask receiving the files as [‘[object File],[object File]’] . I tried to find ways to read an object file but nothing worked can anyone help.. A…