Question

How to check if a nested list is a subset of another nested list in Python

Answer 1

def check_nested_list_exist(lst1, lst2): 
    b = True
    for lst in lst2: 
        print(lst)
        if lst not in lst1: 
           b = False
    return b 

    
lst1 = [[1, 2], [3, 4, 5], [6, 7, 8, 9], [0]] 
lst2 = [[3, 4, 5], [1, 2]]

print(check_nested_list_exist(lst1, lst2)) 



'''
run:

[3, 4, 5]
[1, 2]
True

'''

 

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Answer 2

def check_nested_list_exist(lst1, lst2): 
    return all(x in lst1 for x in lst2)  
 
     
lst1 = [[1, 2], [3, 4, 5], [6, 7, 8, 9], [0]] 
lst2 = [[3, 4, 5], [1, 2]]
 
print(check_nested_list_exist(lst1, lst2)) 
 
 
 
'''
run:
 
True
 
'''

 

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