Question

How to check if two lists have common element in Python

Answer 1

def have_common_element(lst1, lst2): 
    set1 = set(lst1) 
    set2 = set(lst2)

    if (set1 & set2): 
        return True 
    else: 
        return False
          
  
lst1 = [1, 2, 3, 4, 5, 6] 
lst2 = [7, 8, 9, 0, 3, 19] 

print(have_common_element(lst1, lst2)) 



'''
run:

True

'''

 

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Answer 2

def have_common_element(lst1, lst2): 
    return any(element in lst1 for element in lst2) 
          
  
lst1 = [1, 2, 3, 4, 5, 6] 
lst2 = [7, 8, 9, 0, 87, 19, 2] 

print(have_common_element(lst1, lst2)) 



'''
run:

True

'''

 

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