text: __author__ = 'chira'
  
  # Create a list.
  elements = []
  
  # Append empty lists in first three indexes.
  elements.append([])
  elements.append([])
  elements.append([])
  
  # Add elements to empty lists.
  elements[0].append(1)
  elements[0].append(2)
  
  elements[1].append(3)
  elements[1].append(4)
  elements[1].append(5)
  
  elements[2].append(7)
  elements[2].append(9)
  
  # Display top-left element.
  print(elements[0][0])
  
  # Display entire list.
  print(elements)
  
  # Loop over rows.
  for i in range(0,len(elements)):
      # Loop over columns.
      for j in range(0,len(elements[i])):
          print("arr[%d][%d] = %d" % (i,j,elements[i][j]))