Question

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

Answer 1

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

 

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