code: def verify_table_existence(self, table_name):
          
  
          validate_table_name(table_name)
  
          if self.has_table(table_name):
              return
  
          raise TableNotFoundError(
              "'{}' table not found in '{}' database".format(table_name, self.database_path)
          )
docs: :param str table_name: Table name to be tested.
          :raises simplesqlite.TableNotFoundError:
              |raises_verify_table_existence|
          :raises simplesqlite.NameValidationError:
              |raises_validate_table_name|
  
          :Sample Code:
              .. code:: python
  
                  import simplesqlite
  
                  table_name = "sample_table"
                  con = simplesqlite.SimpleSQLite("sample.sqlite", "w")
                  con.create_table_from_data_matrix(
                      table_name,
                      ["attr_a", "attr_b"],
                      [[1, "a"], [2, "b"]])
  
                  con.verify_table_existence(table_name)
                  try:
                      con.verify_table_existence("not_existing")
                  except simplesqlite.TableNotFoundError as e:
                      print(e)
          :Output:
              .. parsed-literal::
  
                  'not_existing' table not found in /tmp/sample.sqlite