def is_decimal(num):
  import re
  
  num_fetch = re.compile(r"""^[0-9]+(\.[0-9]{1,2})?$""")
  result = num_fetch.search(num)
  return bool(result)
def heap_queue_largest(nums,n):
  import heapq as hq
  
  largest_nums = hq.nlargest(n, nums)
  return largest_nums