Python: Find the second largest number in a list
Python List: Exercise - 28 with Solution
Write a Python program to find the second largest number in a list.
Example - 1 :
Example - 2 :
Example - 3 :
Example - 4 :
def second_largest(numbers): if (len(numbers)<2): return if ((len(numbers)==2) and (numbers == numbers) ): return dup_items = set() uniq_items =  for x in numbers: if x not in dup_items: uniq_items.append(x) dup_items.add(x) uniq_items.sort() return uniq_items[-2] print(second_largest([1,2,3,4,4])) print(second_largest([1, 1, 1, 0, 0, 0, 2, -2, -2])) print(second_largest([2,2])) print(second_largest())
3 1 None None
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