code: def cpu_frequency(self) -> str:
          
          return '{}GHz'.format(
              self.random.uniform(
                  a=1.5,
                  b=4.3,
                  precision=1,
              ),
          )
docs: Get a random frequency of CPU.
  
          :return: Frequency of CPU.
  
          :Example:
              4.0 GHz.