Tokenizing words into a new column in a pandas dataframe

Question

I am trying to go through a list of comments collected on a pandas dataframe and tokenize those words and put those words in a new column in the dataframe but I have having an e

Answer 1

Don't you just want to do this:

   df['words'] = df['complaint'].apply(apwords)

you don't need to define the function addwords. Which should be defined as:

addwords = lambda x: apwords(x)