code: def get_mem_info():
      """Get information about available memory"""
      import psutil
  
      vm = psutil.virtual_memory()
      return {
          "memtotal": vm.total,
          "memavailable": vm.available,
      }
  
imports: import sys
  import os
  import re
  import time
  import textwrap
  import subprocess
  import itertools
  import random
label_desc: Use image node_id 6 for calling a global function with example usage: get_mem_info() and returns: dict