Remove Duplicate Elements from the List

• Problem Description

  
  Write a program to eliminate the duplicate elements in the list
  
  Input:
  
  1. The Size of List
  2. The List elements
  
  Output:
  Non-duplicate elements
  
  Refer sample input and output for formatting specification. 
  
  All float values are displayed correct to 2 decimal places. 
  
  All text in bold corresponds to input and the rest corresponds to output.

• CODING ARENA

• a=[]

  n= int(input())

  for x in range(0,n):

      element=int(input())

      a.append(element)

  b = set()

  unique = []

  for x in a:

      if x not in b:

          unique.append(x)

          b.add(x)

  print("Non-duplicate items")

  print(unique)

• Test Case 1

  
  Input (stdin)

  8
  
  25
  
  20
  
  23
  
  9
  
  25
  
  23
  
  19
  
  21
  
  

  Expected Output

  Non-duplicate items
  
  [25, 20, 23, 9, 19, 21]

• Test Case 2

  
  Input (stdin)

  5
  
  25
  
  20
  
  23
  
  9
  
  25
  
  

  Expected Output

  Non-duplicate items
  
  [25, 20, 23, 9]