Polars Python: Iterate over groups created using groupby on Date column
I am new to Polars.
I want to iterate over the groups created by grouping over the column where each cell of that column contains a list of two dates. I used the following (sample) piece of code to achieve and it used to work fine with polars==0.20.18 version:
Format datetime in polars
I have a polars dataframe that contains a datetime column. I want to convert this column to strings in the format %Y%m. For example, all dates in January 2024 should be converted to "202401".
Change datetime format on Polars
I have a polars dataframe that contains a datetime column. I want to change the format of this column to %Y%m for example to looks like 202401