Question

How to check if all items in a list are none in Python

Answer 1

lst = [None, None, None, None]

if all(i is None for i in lst):
    print('All items are None')
else:
    print('Not all items are None')
    
    

'''
run:

All items are None

'''

 

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Answer 2

lst = [None, None, None, None]

if lst.count(None) == len(lst):
    print('All items are None')
else:
    print('Not all items are None')
    
    

'''
run:

All items are None

'''

 

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