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Using unittests and moto to mock AWS

I am used to pytest approach for unit testing, without using classes. Today I wanted to give a try to unittest and I wanted to encapsulate my tests inside a TestCase. Then consider this sample test class: Why is not the parameter placed in setUpClass visible from the test? I could imagine that by using the @m…

How format different values in pandas?

i have a columns of dataframe with 1000+ different format of values. how can i format these in order to have unified view like this 1.000.000. for example: row 1 is desiderated view row 2 10000000 should be 10.000.000 row 3 150,250 should be 150.250 row 4 0,200655 should be 200.655 Answer For your input this …

String column to multiple columns in DataFrame

I have a DataFrame with multiple columns: Now I want to break column C(whose each entry is separated by n) into multiple column like this: I tried few techniques but can’t make it. I tried to use df.apply but not able to fix NA columns. Is there a way to cleanly achieve this? Thanks. Answer A solution u…

Create new dataframe from an existing dataframe

I have a pandas dataframe with say 6 columns. 3 of the columns are of length 5. Two of the columns are of length 2 and the last column is of length 8. The columns are randomly positioned in the dataframe. I would like to create 3 new dataframes. The first dataframe should only contain all the columns whose le…