def check_String(str):
     
    flag_l = False
    flag_n = False
    for i in str: 
        if i.isalpha(): 
            flag_l = True  
        if i.isdigit(): 
            flag_n = True
    return flag_l and flag_n 
def heap_queue_largest(nums,n):
  import heapq as hq
  
  largest_nums = hq.nlargest(n, nums)
  return largest_nums