<Purpose>
    Seash callback to allow user to check all variables that they defined.
  <Arguments>
    input_dict: Input dictionary generated by seash_dictionary.parse_command().
    environment_dict: Dictionary describing the current seash environment.
    
    For more information, see command_callbacks.py's module docstring.
  <Side Effects>
    All the variables currently defined will be printed alongside their values.
  <Exceptions>
    None
  <Return>
    None

def show_user_variables(input_dict, environment_dict):
  """
  <Purpose>
    Seash callback to allow user to check all variables that they defined.
  <Arguments>
    input_dict: Input dictionary generated by seash_dictionary.parse_command().
    environment_dict: Dictionary describing the current seash environment.
    
    For more information, see command_callbacks.py's module docstring.
  <Side Effects>
    All the variables currently defined will be printed alongside their values.
  <Exceptions>
    None
  <Return>
    None
  """
  for variable, value in uservariables.iteritems():
    print variable+": '"+value+"'"