old_contents: from decimal import *
  
  def decimalize(data):
      """Utility function converting all inputs to Decimal,
      streamlines input types for other statistics functions.
  
      Args:
          data: A numeric built-in object, a tuple or 
              list of numeric objects.
  
      Returns:
          A Decimal object in the case of a single numeric
          built-in, or a list of Decimal objects when supplied
          a list or tuple of built-in numerics.
  
      Raises:
          TypeError: An object other than a built-in numeric or
              a list or tuple of numerics was supplied as data.
          
      Examples:
          >>> decimalize([1, 2, 3])
              [1, 2, 3]
      """
      try:
          if type(data) in [int, float]:
              return(Decimal(data))
          elif type(data) == list:
              for ii in range(len(data)):
                  data[ii] = Decimal(data[ii])
                  return data
          elif type(data) == tuple:
              data = list(data)
              for ii in range(len(data)):
                  data[ii] = Decimal(data[ii])
                  return data
          else:
              raise TypeError
      except TypeError:
          print("Sorry, the decimalize function accepts lists or tuples of numerics")    
      return
new_contents: from decimal import *
  
  def decimalize(data):
      """Utility function converting all inputs to Decimal,
      streamlines input types for other statistics functions.
  
      Args:
          data: A numeric built-in object, a tuple or 
              list of numeric objects.
  
      Returns:
          A Decimal object in the case of a single numeric
          built-in, or a list of Decimal objects when supplied
          a list or tuple of built-in numerics.
  
      Raises:
          TypeError: An object other than a built-in numeric or
              a list or tuple of numerics was supplied as data.
          
      Examples:
          >>> decimalize(1)
          Decimal('1')
          
          >>> decimalize([1,2,3])
          [Decimal('1'), Decimal('2'), Decimal('3')]
      """
      try:
          if type(data) in [int, float]:
              return(Decimal(data))
          elif type(data) == list:
              for ii in range(len(data)):
                  data[ii] = Decimal(data[ii])
              return data
          elif type(data) == tuple:
              data = list(data)
              for ii in range(len(data)):
                  data[ii] = Decimal(data[ii])
              return data
          else:
              raise TypeError
      except TypeError:
          print("Sorry, the decimalize function accepts lists or tuples of numerics")    
      return
subject: Add example for decimalize, fix return statements.