John Carmack on mutable variables

In python its common to see code like this:

  df = pd.concat(df,other_df)
  df = df.select(...)
  ...

My eyes hurts, when I see it. It makes me avoid python. I bet the reason for this mutable code is a missing simple pipes syntax. I love pipes. In R can do:

  df |> 
    rbind(other_df) |> 
    select(...)

It feels much better.