How to perform list subtraction in Python

1 Answer

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listA = [4, 5, 7, 8, 1, 2, 9, 9, 10, 12]
listB = [4, 2, 1, 3, 4, 8, 7, 9, 11,  3]
 
setA = set(listA)
setB = set(listB)
 
print(list(setA - setB))
 
 
 
 
 
'''
run:
 
[10, 12, 5]
 
'''

 



answered Apr 19, 2021 by avibootz
edited Apr 19, 2021 by avibootz

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