How to add 5 new columns in the data table

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Hi, I am a beginner  and I need help. How can I add 5 new columns (last name, first name, title, area code and phone) in the following  data table using library stringr. The content of these variables must come from the initial column of the data table.

V1

1

Lebel, MarieStudent 1st year216 132-3789

2

Lachance, PaulStudent 2nd year567 990-345

3

Smith, AnnieStudent 1st year457 876-008

Add 5 new columns:

Mar 1, 2021 in Others by anonymous
edited Mar 4 • 28 views

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