You can combine the initialization into a single call
    
    
    import seqUtils
    
    var rows = 2
    var cols = 3
    var s = newSeqWith(rows, newSeq[string](cols))
    for row in 0..<rows:
      for col in 0..<cols:
        s[row][col] = "test" & $row & $col
    
    echo s
    

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