code: def azure_disk_from_storage_in_gib(
      disk_type: str, storage_in_gib: int
  ) -> Optional[AzureDisk]:
      disks = azure_disks_by_disk_type[disk_type]
      index = disks.bisect_key_left(storage_in_gib)
      if index == len(disks):
          return None
      return disks[index]
  
imports: import logging
  import re
  from typing import Dict, Optional, Tuple
  import sortedcontainers
  from ...globals import RESERVED_STORAGE_GB_PER_CORE
label_desc: Use image node_id 1 for calling a global function with example usage: azure_disk_from_storage_in_gib(disk_type, storage_in_gib) and returns: disks, None