code: def is_dynamic(self):
          ''' Return true if the route contains dynamic parts '''
          if not self._static:
              for token, value in self.tokens():
                  if token != 'TXT':
                      return True
          self._static = True
          return Falsf is_dynamic(self):
          ''' Return true if the route contains dynamic parts '''
          if not self._static:
              for token, value in self.tokens():
                  if token != 'TXT':
                      return True
          self._static = True
          return False
docs: Return true if the route contains dynamic parts