text: """
  @author: acfromspace
  """
  
  
  def populateArray(col, row):
      square = []
      for colNum in range(col):
          square.append([])
          for rowNum in range(row):
              coordinates = str(colNum) + "," + str(rowNum)
              square[colNum].append(coordinates)
      return square
  
  
  col = 4
  row = 4
  print("populateArray():", populateArray(col, row))
  