Question

How to find the largest three elements in a list with Python

Answer 1

import sys 
  
def print3largest(lst): 
  
    size = len(lst) 
    if (size < 3): 
        print("list size < 3") 
        return
      
    third = first = second = -sys.maxsize 
      
    for i in range(0, size): 
        if (lst[i] > first): 
            third = second 
            second = first 
            first = lst[i] 
        elif (lst[i] > second): 
            third = second 
            second = lst[i] 
        elif (lst[i] > third): 
            third = lst[i] 
      
    print("The three largest elements are:", first, second, third) 
  
lst = [5, 2, 9, 6, 12, 7, 8, 3, 1, 0] 

print3largest(lst) 
 
 
 
 
'''
run:
 
The three largest elements are: 12 9 8 
 
'''

 

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