Question

How to print array (list) elements that appear more than once in Python

Answer 1

def printMoreThanOnce(lst): 
    freq = [0] * 10
    lenn = len(lst)
  
    for i in range(0, lenn): 
        freq[lst[i]] += 1
    
    for i in range(0, lenn): 
        if (freq[lst[i]] > 1): 
            print(lst[i], end = " ") 
            freq[lst[i]] = 0
        
  
lst = [1, 6, 3, 1, 8, 9, 9, 1, 3, 4]  
  
printMoreThanOnce(lst) 
  
  
  
     
'''
run:
      
1 3 9
   
'''

 

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