Question

How to remove duplicate lists in tuple with Python

Answer 1

tpl_lst = ([1, 2, 3], [3, 4, 6], [1, 2, 3], [7, 8, 9], [1, 2, 3]) 
   
seen = set() 
 
result = [e for e in tpl_lst if not(tuple(e) in seen or seen.add(tuple(e)))] 
   
print(tuple(result)) 
 
 
 
'''
run:
 
([1, 2, 3], [3, 4, 6], [7, 8, 9])
 
'''

 

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Answer 2

from collections import OrderedDict 

tpl_lst = ([1, 2, 3], [3, 4, 6], [1, 2, 3], [7, 8, 9], [1, 2, 3]) 
  
seen = set() 

result = list(OrderedDict((tuple(e), e) for e in tpl_lst).values()) 
  
print(tuple(result)) 



'''
run:

([1, 2, 3], [3, 4, 6], [7, 8, 9])

'''

 

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