code: def validate_params(valid_options, params):
      
      #crazy little if statement hanging by himself :(
      if not params:
          return
  
      #We only allow one version of the data parameter to be passed
      data_filter = ['data', 'source', 'external_url', 'embed']
      multiple_data = [key for key in params.keys() if key in data_filter]
      if len(multiple_data) > 1:
          raise Exception("You can't mix and match data parameters")
  
      #No bad fields which are not in valid options can pass
      disallowed_fields = [key for key in params.keys() if key not in valid_options]
      if disallowed_fields:
          field_strings = ",".join(disallowed_fields)
          raise Exception("{} are not allowed fields".format(field_strings))
docs: Helps us validate the parameters for the request
  
      :param valid_options: a list of strings of valid options for the
                            api request
      :param params: a dict, the key-value store which we really only care about
                     the key which has tells us what the user is using for the
                     API request
  
      :returns: None or throws an exception if the validation fails