VBA To Select Variable Columns

This is also related to below queries:

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The Code:

Columns("A:D").Select
''' To select whole column A until column D

Range("X:X,AB:AB").Select
''' To select column X and column AB only

Note:

1. Please change Columns("A:D") to your columns. Example: Columns("A:B") or Columns("A:Z")
2. Please change Range("X:X,AB:AB") to your columns. Example: Range("A:A,C:C,AA:AB"). You may add more columns by just adding a comma before and after a column/ columns range