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  1. Filmmaker Exposes Polar Bear “Global Warming” Hoax

    Filmmaker Exposes Polar Bear “Global Warming” Hoax

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  7. merge groups of columns in a polars dataframe to single columns

    merge groups of columns in a polars dataframe to single columns

  8. Make a constant column in Polars

    Make a constant column in Polars

  9. how to select all columns from a list in a polars dataframe

    how to select all columns from a list in a polars dataframe