code: def read_meminfo():
      
      data = {}
      with open("/proc/meminfo", "rb") as meminfo_file:
          for row in meminfo_file:
              fields = row.split()
              # Example content:
              # MemTotal:                3801016 kB
              # MemFree:                 1840972 kB
              # MemAvailable:        3287752 kB
              # HugePages_Total:             0
              data[fields[0].decode("ascii")[:-1]] = int(fields[1]) * 1024
      return data
docs: Returns system memory usage information.
  
      :returns: The system memory usage.
      :rtype: dict