when to use is and is not in python code example
Example 1: is not in python
li = [1,2,'a','b']
if 'hello' not in li:
print('hello is not in the list')Example 2: python is not
result is not Noneli = [1,2,'a','b']
if 'hello' not in li:
print('hello is not in the list')result is not None