code: def _valid_table_name(name):
      
  
      if name[0] not in "_" + string.ascii_letters or not set(name).issubset(
          "_" + string.ascii_letters + string.digits
      ):
          return False
  
      else:
          return True
docs: Verify if a given table name is valid for `rows`
  
      Rules:
      - Should start with a letter or '_'
      - Letters can be capitalized or not
      - Accepts letters, numbers and _