How to add "_" after splitting word in Python?

Question

Example:
I am trying to split a list of column names called "startedat", "duecheck", "vehicleid" into "started" and "at", "due" and "check", "vehicle" and "id" respectively to get the desired output like started_at, due_check, vehicle_id.

I have tried using nltk word tokenize to split but it does not work. May I know what other methods I can do?

arr_list = ['startedat', 'duecheck', 'vehicleid']
for word in arr_list:
  print(word_tokenize(word))

Thank you.

Asked By: J_Y

||

Source

Answer 1

Install package

pip install wordninja

Code :

import wordninja

col_list = ["startedat", "duecheck", "vehicleid"]

result = ["_".join(wordninja.split(x)) for x in col_list]
print(result)

Answered By: krisskad

How to add "_" after splitting word in Python?

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